Find the word definition


Slug (disambiguation)

A slug is a gastropod mollusk without a shell or with a very small internal shell.

Slug or slugs may also refer to:

Slug (mass)

The slug is a unit of mass associated with Imperial units and United States customary units. It is a mass that accelerates by 1 ft/s when a force of one pound is exerted on it.

$1\,\text{slug} =1\,\frac{\text{lb}_F\cdot\text{s}^2}{\text{ft}} \qquad\Longleftrightarrow\qquad 1\,\text{lb}_F = 1\,\frac{\text{slug}\cdot\text{ft}}{\text{s}^2}$

One slug has a mass of or based on standard gravity, the international foot, and the avoirdupois pound. At the surface of the Earth, an object with a mass of 1 slug exerts a force of approximately or .

Slug (projectile)

A slug is a term used for a solid ballistic projectile. It is "solid" in the sense of being composed of one piece; the shape can vary widely, including partially hollowed shapes. The term is occasionally applied to bullets (just the projectile, never the cartridge as a whole), but is most commonly applied to shotgun projectiles, to differentiate them from shotshells containing shot. Slugs are commonly fired from smoothbored barrels that are unable to impart the gyroscopic spin required for in-flight stability.

A water-slug refers to operating a submarine's torpedo tube that has been filled with water rather than a torpedo, thus shooting a "slug of water.".

Slug (railroad)

A railroad slug is an accessory to a diesel-electric locomotive. It has trucks with traction motors but, unlike a B unit, is unable to move about under its own power, as it does not contain a prime mover to produce electricity, and there may or may not be a cab for an operator. Instead, it is connected to a locomotive, called the mother, which provides the needed electrical power to operate the traction motors, and the motor controls.

Slug (comics)

Slug (Ulysses X. Lugman) is a fictional character, a supervillain appearing in American comic books published by Marvel Comics.

Slug (typesetting)

In typesetting, a slug is a piece of lead or other type metal, in any of several specific word senses. In one sense, a slug is a piece of spacing material used to space paragraphs. In the era of commercial typesetting in metal type, they were usually manufactured in strips of 6- point lead. In another sense, a slug is one line of Linotype typeset matter, where each line corresponds to one piece of lead. In modern typesetting programs such as Adobe InDesign, slugs hold printing information, customized color bar information, or displays other instructions and descriptions for other information in the document. Objects (including text frames) positioned in the slug area are printed but will disappear when the document is trimmed to its final page size.

Slug (rapper)

Sean Michael Daley (born September 7, 1972), better known by his stage nameSlug, is an American rapper from Minneapolis, Minnesota. Slug is best known as one half of the hip hop group Atmosphere, which he founded with Derek Turner (Spawn). Turner has since left and Anthony Davis ( Ant) produces Atmosphere with Slug. In 1995, Slug, in collaboration with Anthony Davis, Musab Saad, and Brent Sayers founded the Minneapolis-based independent hip hop record label Rhymesayers Entertainment.

Slug (publishing)

In newspaper editing, a slug is a short name given to an article that is in production. The story is labeled with its slug as it makes its way from the reporter through the editorial process. The AP Stylebook prescribes its use by wire reporters (in a "keyword slugline") as follows: "The keyword or slug (sometimes more than one word) clearly indicates the content of the story." Sometimes a slug also contains code information that tells editors specific information about the story — for example, the letters "AM" at the beginning of a slug on a wire story tell editors that the story is meant for morning papers, while the letters "CX" indicate that the story is a correction to an earlier story.

In the production process of print advertisements, a slug or slug line, refers to the "name" of a particular advertisement. Advertisements usually have several markers, ad numbers or job numbers and slug lines. Usually the slug references the offer or headline and is used to differentiate between different ad runs.

Slug (coin)

A slug is a counterfeit coin that is used to make illegal purchases from a coin-operated device, such as a vending machine, payphone, parking meter, transit farebox, copy machine, coin laundry, gaming machine, or arcade game. By resembling various features of a genuine coin, including the weight, size, and shape, a slug is designed to trick the machine into accepting it like a real coin.

Though slug usage is a violation of the law, prosecution for slug usage is rare due to the low value of the theft and the difficulty in identifying the offender. Offenders in casinos are most likely to be prosecuted, as casinos have high levels of video surveillance and other security measures, and are more proactive in enforcement.

Losses caused to vendors by slug usage may be the result of the loss of sales, the absence of revenue following the distribution of merchandise that was obtained at the vendor's expense, or the loss of cash that is distributed by the machine for overpayment with slugs. Honest customers may also suffer losses when change returned to an honest customer for overpayment is in the form of a slug rather than a genuine coin.


Slug, or land slug, is a common name for any apparently shell-less terrestrial gastropod mollusc. The word slug is also often used as part of the common name of any gastropod mollusc that has no shell, a very reduced shell, or only a small internal shell, particularly sea slugs and semislugs (this is in contrast to the common name snail, which applies to gastropods that have a coiled shell large enough that the animal can fully retract its soft parts into the shell).

Various taxonomic families of land slugs form part of several quite different evolutionary lineages, which also include snails. Thus, the various families of slugs are not closely related, despite a superficial similarity in the overall body form. The shell-less condition has arisen many times independently during the evolutionary past, and thus the category "slug" is a polyphyletic one.

Slug (song)

"Slug" is a song by Passengers, a side project of rock band U2 and musician Brian Eno. It is the second track on Passengers' only release, the 1995 album Original Soundtracks 1. The track was originally titled "Seibu" and was almost left off the album before it was rediscovered later during the recording sessions. Though Eno made most of the creative decisions during the recording sessions, "Slug" was one of the few tracks that the members from U2 tried to craft themselves.

Lyrically, it is a portrait of a desolate soul during a time of celebration. As Passengers were writing songs for fictional soundtracks, they tried to create a visual suggestion from the music that was more important than the story within the lyrics. In "Slug", the instrumentation is intended to represent the lights turning on in a city at night. The group primarily drew inspiration for the song from U2's experiences in Tokyo at the conclusion of the Zoo TV Tour. "Slug" was praised as one of the best songs on the album by critics from various publications.

Slug (band)

Slug was a noise rock group that formed in Los Angeles in 1988 by DJs from Loyola Marymount University campus radio station KXLU. Originally formed as an experimental noise collage trio utilizing metal percussion, feedback and primitive sound loops created via gouged children's and sound effect records, they subsequently added traditional instrumentation (2 basses, 2 guitars, drums, vocals) to the mix.

Slug self-released their first single on their own label Magnatone Recordings. After the release of their first album Swingers, guitarist Rich Alvarez left to pursue his own band Jackknife, and was replaced by Collin Rae, formerly of 4AD artist Ultra Vivid Scene.

Before the recording of their third album The 3 Man Themes, bassist Michael B.© left to be replaced by David Scott Stone.

Slug disbanded in 1996. Stone would go on to work with The Melvins, LCD Soundsystem and other groups. Bassist Damian Romero continued his side noise/ambient project under the name Speculum Fight. Guitarist Todd Williams relocated to New York City to work as a film editor. Drummer Tomás Palermo moved to the San Francisco Bay area as a freelance writer on reggae for URB magazine and other publications. Guitarist Collin Rae moved to the Bay Area as well, performing in other groups as well as continuing his work as a professional photographer.

The Collaborative International Dictionary


Slug \Slug\, v. i. To move slowly; to lie idle. [Obs.]

To slug in sloth and sensual delight.


Slug \Slug\, v. t. To make sluggish. [Obs.]


Slug \Slug\, n. [OE. slugge slothful, sluggen to be slothful; cf. LG. slukk low-spirited, sad, E. slack, slouch, D. slak, slek, a snail.]

  1. A drone; a slow, lazy fellow; a sluggard.

  2. A hindrance; an obstruction. [Obs.]

  3. (Zo["o]l.) Any one of numerous species of terrestrial pulmonate mollusks belonging to Limax and several related genera, in which the shell is either small and concealed in the mantle, or altogether wanting. They are closely allied to the land snails.

  4. (Zo["o]l.) Any smooth, soft larva of a sawfly or moth which creeps like a mollusk; as, the pear slug; rose slug.

  5. A ship that sails slowly. [Obs.]

    His rendezvous for his fleet, and for all slugs to come to, should be between Calais and Dover.

  6. [Perhaps a different word.] An irregularly shaped piece of metal, used as a missile for a gun.

  7. (Print.) A thick strip of metal less than type high, and as long as the width of a column or a page, -- used in spacing out pages and to separate display lines, etc. Sea slug. (Zo["o]l.)

    1. Any nudibranch mollusk.

    2. A holothurian.

      Slug caterpillar. Same as Slugworm.


Slug \Slug\, v. t. [imp. & p. p. Slugged; p. pr. & vb. n. Slugging.]

  1. To load with a slug or slugs; as, to slug a gun.

  2. To strike heavily. [Cant or Slang]


Slug \Slug\, v. i. To become reduced in diameter, or changed in shape, by passing from a larger to a smaller part of the bore of the barrel; -- said of a bullet when fired from a gun, pistol, or other firearm.



n. 1 Any of many terrestrial pulmonate gastropod mollusks, having no (or only rudimentary) shell 2 (context obsolete English) A slow, lazy person; a sluggard. 3 A bullet (projectile). 4 A counterfeit coin, especially one used to steal from vending machines. 5 A shot of a drink, usually alcoholic. 6 (context journalism English) A title, name or header, a catchline, a short phrase or title to indicate the content of a newspaper or magazine story for editing use. 7 (context physics rarely used English) the Imperial (English) unit of mass that accelerates by 1 foot per second squared (1 ft/s²) when a force of one pound-force (lbf) is exerted on it. 8 A discrete mass of a material that moves as a unit, usually through another material. 9 A motile pseudoplasmodium formed by amoebae working together. 10 (context television editing English) A black screen. 11 (context metal typesetting English) A piece of type metal imprinted by a Linotype machine; also a black mark placed in the margin to indicate an error. 12 (context regional English) A stranger picked up as a passenger to enable legal use of high occupancy vehicle lanes. 13 (context web design English) The last part of a (w: clean URL), the displayed resource name, similar to a filename. 14 (context obsolete English) A hindrance; an obstruction. 15 A ship that sails slowly. 16 (cx US slang District of Columbia English) A hitchhike commuter. vb. 1 To drink quickly; to gulp. 2 To down a shot. 3 (context transitive English) To hit very hard, usually with the fist. 4 To take part in casual carpooling; to form ad hoc, informal carpools for commuting, essentially a variation of carpool commuting and hitchhiking. 5 (context intransitive of a bullet English) To become reduced in diameter, or changed in shape, by passing from a larger to a smaller part of the bore of the barrel. 6 (context obsolete intransitive English) To move slowly or sluggishly; to lie idle. 7 (context transitive English) To load with a slug or slugs. 8 To make sluggish.

Longman Dictionary of Contemporary English


▪ One group took the same path as the sea slugs did in more recent times and lost their shells altogether.
▪ Much of the current research on biological neural networks involves the study of invertebrate animals, such as sea slugs or starfish.
▪ Honey-glazed roast ducks hang in doorways beside weird sea slugs and dried fish.
▪ The animals include the pink sea fan, lagoon sea slug and silver water beetle.
▪ A form of colourful sea slug.
▪ These nematocysts, however, are not really a part of the sea slug.
▪ Interestingly enough, sea slugs are able to eat sea anemones without discharging their nematocysts.
▪ King ended up with two 9 mm slugs in his chest.
▪ A sitting tenant who came with the greenhouses ... and is doing his bit to keep down the slugs.
▪ Across the earth between rows shone dry silver trails, sticky to sight, where the slugs had been.
▪ Bing could be one himself if he threw enough slugs down his gullet.
▪ He caught nine slugs and died.
▪ In taking a slug at Mayer, Gilbert had knocked the stuffing out of his own career and, ultimately, his life.
▪ Much of the current research on biological neural networks involves the study of invertebrate animals, such as sea slugs or starfish.
▪ She took another slug of beer and continued rubbing eye shadow from her left eyelid.
▪ Jimmy slugged Paul in the stomach and pushed him to the ground.
▪ First Winters slugged the playwright, then she burst into tears and embraced him.
▪ I took a walk round there myself about that time, and Vecchi slugged me.
▪ Isaac, horrified, ducked behind the ornamental wall and slugged Saconi in the thigh.
▪ The two men rolled around on the floor slugging each other and yelping and growling.
▪ They decided to go outside and slug it out but Swanson stopped them, saying they would draw too much attention.
▪ They hardly looked ready to slug it out in a Test series, but at least they had a victory under their belts.
▪ They lose a night's sleep slugging it out.
Douglas Harper's Etymology Dictionary


"shell-less land snail," 1704, originally "lazy person" (early 15c.); related to sluggard.


"lead bit," 1620s, perhaps a special use of slug (n.1), perhaps on some supposed resemblance. Meaning "token or counterfeit coin" first recorded 1881; meaning "strong drink" first recorded 1756, perhaps from slang fire a slug "take a drink," though it also may be related to Irish slog "swallow." Journalism sense is from 1925, originally a short guideline for copy editors at the head of a story.


"a hard blow," 1830, dialectal, of uncertain origin; perhaps related to slaughter or perhaps a secondary form of slay.


"deliver a hard blow with the fist," 1862, from slug (n.3). Related: Slugged; slugging. Slugging-match is from 1878.



  1. n. a projectile that is fired from a gun [syn: bullet]

  2. an idle slothful person [syn: sluggard]

  3. any of various terrestrial gastropods having an elongated slimy body and no external shell

  4. v. strike heavily, especially with the fist or a bat; "He slugged me so hard that I passed out" [syn: slog, swig]

  5. be idle; exist in a changeless situation; "The old man sat and stagnated on his porch"; "He slugged in bed all morning" [syn: idle, laze, stagnate] [ant: work]

  6. [also: slugging, slugged]

Usage examples of "slug".

Then, a bell sounds, and acrasin is released by special cells toward which the others converge in stellate ranks, touch, fuse together, and construct the slug, solid as a trout.

In fact, of the twenty rose-trees which formed the parterre, not one bore the mark of the slug, nor were there evidences anywhere of the clustering aphis which is so destructive to plants growing in a damp soil.

He tried to slug the apish Monk in the pit of the stomach, and the sound was much as if his knuckles had rapped a hard wall.

Those glistening, dripping fangs were an inch from his legs when he squeezed the trigger, the rifle recoiling into his shoulder as the heavy slug tore through the arachnid and it stopped dead.

He backhanded the woman and fired again, this time sending a slug along with the laser beam, but Booger Bear had recovered and was moving.

At that moment, Brodder seemed to everyone there like a slug, a thing which crawls out from under a rock.

The platform was scarred with deep, charcoal-blistered trenches made by the reflected beams of energy weapons and pocked with thousands of splintered gouges and impact holes from ricocheting slugs and rifle pellets, and blasphemies and cabbalistic signs had been carved into the polished ancient planks, but the huge black disc of the shrine itself, being only partly of this world, was inviolate.

He took the cesium slug out of his pocket and put it into a tool that stripped it of statglass film and held it ready for the correct moment in the reconstruction process.

After some very interesting exchanges of reminiscences about incurable millers, roarers, lungers, half-bred blood-cattle, gingers, and slugs, which led inevitably to still more interesting stories of the chase, during the course of which both gentlemen found themselves perfectly in accord in their contempt of such ignoble persons as roadsters and skirters, and their conviction that the soundest of all maxims was, Get over the ground if it breaks your neck, formality was at an end between them, and his lordship was not only begging Bertram to call him Chuffy, as everyone else did, but promising to show him some of the rarer sights in town.

Worse, the capital ships from Cimmaron, though few in number, were starting to make a difference in the energy-weapon slugging match which now raged with the fortresses.

In order to keep the High-Binders and the Epworth Leaguers both on his Staff at one and the same time, he had to be some Equilibrist, so he never hoisted a Slug except in his own Office, where he kept it behind the Supreme Court Reports.

The pistol fired different types of cartridges--mercy bullets inducing unconsciousness, explosive slugs, gassers, smokers.

One Stingray took a gauss slug directly into the cockpit, gutting the control section and leaving the pilot as little more than a smear over the back fuselage.

He outlasted the Jessie as it finally grounded out after a series of hammering gauss slugs from the M1 Marksman.

With artificial thunderclaps splitting the air, both Marksmen punched rail-accelerated gauss slugs into the lead Schmitt.