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The Collaborative International Dictionary

Loader \Load"er\, n. One who, or that which, loads; a mechanical contrivance for loading, as a gun.

Douglas Harper's Etymology Dictionary

late 15c., "person who loads," agent noun from load (v.). Of machinery, by 1862.


n. 1 agent noun of load; a person or device that loads. 2 (context computing English) A program that prepares other programs for execution. 3 A tractor with a scoop, for example: bucket loader, front-end loader, wheel loader, etc.

  1. n. a laborer who loads and unloads vessels in a port [syn: stevedore, longshoreman, docker, dockhand, dock worker, dock-walloper, lumper]

  2. an attendant who loads guns for someone shooting game


Loader can refer to:

  • Loader (equipment)
  • Loader (computing)
    • LOADER.EXE, an auto-start program loader optionally used in the startup process of Microsoft Windows ME
  • Loader (surname)
  • Fast loader
  • Speedloader
  • Boot loader
    • LOADER.COM (aka "NEWLDR"), a multi-boot loader shipping with various Digital Research, Novell, IMS, Caldera, etc. DOS-based operating systems like Multiuser DOS and DR-DOS
    • LOADER.SYS, part of a LOADER.COM installation (see above)
  • Clapper loader (on a film crew, also simply known as "loader")
  • A loader, a member of a crew responsible for handling and loading ammunition, such as on a howitzer or tank crew
    • Autoloader, an automated replacement for a crewer loader
Loader (computing)

In computing, a loader is the part of an operating system that is responsible for loading programs and libraries. It is one of the essential stages in the process of starting a program, as it places programs into memory and prepares them for execution. Loading a program involves reading the contents of the executable file containing the program instructions into memory, and then carrying out other required preparatory tasks to prepare the executable for running. Once loading is complete, the operating system starts the program by passing control to the loaded program code.

All operating systems that support program loading have loaders, apart from highly specialized computer systems that only have a fixed set of specialized programs. Embedded systems typically do not have loaders, and instead the code executes directly from ROM. In order to load the operating system itself, as part of booting, a specialized boot loader is used. In many operating systems the loader is permanently resident in memory, although some operating systems that support virtual memory may allow the loader to be located in a region of memory that is pageable.

In the case of operating systems that support virtual memory, the loader may not actually copy the contents of executable files into memory, but rather may simply declare to the virtual memory subsystem that there is a mapping between a region of memory allocated to contain the running program's code and the contents of the associated executable file. (See memory-mapped file.) The virtual memory subsystem is then made aware that pages with that region of memory need to be filled on demand if and when program execution actually hits those areas of unfilled memory. This may mean parts of a program's code are not actually copied into memory until they are actually used, and unused code may never be loaded into memory at all.

Loader (equipment)

A loader (bucket loader, front loader, front-end loader, payloader, scoop, shovel, skip loader, or wheel loader) is a heavy equipment machine used in construction to move aside or load materials such as asphalt, demolition debris, dirt, snow, feed, gravel, logs, raw minerals, recycled material, rock, sand, woodchips, etc. into or onto another type of machinery (such as a dump truck, conveyor belt, feed-hopper, or railroad car).

LOADER (DOS command)
  1. redirect DR-DOS#LOADER

Category:External DOS commands

Loader (surname)

Loader is a surname. Notable people with the surname include:

  • Christian Loader (born 1973), Welsh rugby union player
  • Clive Loader (born 1953), RAF officer and Leicestershire Police and Crime Commissioner
  • Colin Loader (born 1931), New Zealand rugby union player
  • Bill Loader (born 1944), Australian theologian
  • Brian Loader (born 1958), British scholar and researcher
  • Danyon Loader (born 1975), New Zealand swimmer
  • Graham Loader, editor of Hob Nob Anyone?
  • Jayne Loader (born 1951), American director and writer
  • Peter Loader (1929–2011), English cricketer and umpire

Usage examples of "loader".

The short drop downriver to the loading wharf at Woolwich passed off uneventfully, and Lieutenant Kaye by what miracle no one knew was there before them, and had bespoke a berth and loaders, even a launch to help tow and nudge the Biter in, all sail doused beforehand, no need for kedges, all smart and shipshape enough for the greatest stickler in the land.

Then Loral grabs the discarded body and slings it onto the heap in the corner, which one of our fellow special action troops carts away on a pallet loader every so often, while I flail at the floor with a broom in a losing battle to stop the blood puddling around our feet.

If the one inside the cabin managed to cry out, Merced would lead an immediate attack on the two loaders.

Behind the offices, a vast asphalt yard was filled with red trucks: pickups, concrete mixers, skip loaders, and pavers, all bearing the white-and-red company logo.

Like the rest of the freight loaders, Rufe glanced across the platform to see who boarded the local.

Therefore we have on the trucks that carry the clay between the bins and the blungers what we call charging-scales, which weigh automatically each ingredient in the compound without betraying it to the loader.

The 2d Sponger and 2d Loader haul taut side-tackles and choke luffs, or, if rolling deep, hitch the falls round the straps of the blocks, and then unshackle the old breeching and shackle the new, which is to be brought to the gun by the 2d Captain.

Sponger and 2d Loader, after securing the side-tackle falls, will assist to load the gun, and the additional men will assist in unshackling the old and shackling the new breeching, but one of these will do all the duties just assigned to the 1st Captain, so as not to interfere with his ordinary duties in loading.

Sponger and Loader together thrust it down smartly with the rammer, as in ordinary loading.

There was no gunshot, but as I drew up before the stone house the door was flung open and Mother Newberry appeared, a Hall breechblock loader in one hand.

The breechblocks of the wall guns clanged as the gunners cammed them open, then closed again after the loaders dropped in fresh rounds.

Two cargo loaders were at the rear, and a technician stood by the cockpit with a checkoff sheet.

They will build such engines and these engines will be useful on farms as stationary power sources for threshers, balers, loaders, etc.

In all vessels there shall be two divisions of Sail-trimmers, composed of all the men at the spar-deck guns, except 1st Captains, 1st Spongers, 1st Loaders, and Powder-boys.

Balthasar and his loader worked as fast as Luis could give them instructions.