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Longman Dictionary of Contemporary English
sheath
noun
COLLOCATIONS FROM OTHER ENTRIES
sheath knife
COLLOCATIONS FROM CORPUS
■ NOUN
knife
▪ In essays on whisky-tasting, sheath knives, deer hunting, he has a kind of perfect pitch.
▪ I've always wanted a sheath knife.
EXAMPLES FROM CORPUS
▪ Communications-grade fiber is measured two ways: fiber miles and sheath miles.
▪ Gritting his teeth against the pain, he made a grab with his right hand and ripped the knife from its sheath.
▪ Here she wears number 72, a black silk crêpe hooded sheath dress and black satin shoes.
▪ In essays on whisky-tasting, sheath knives, deer hunting, he has a kind of perfect pitch.
▪ Options include a knife sheath, or an additional pocket, a dimpled seat patch and a front convenience zip.
▪ Rising hot water pulls with it a surrounding sheath of cold water, effectively insulating the base of the jet.
▪ The ceramics -- cables encased in a sheath of liquid nitrogen -- are being developed for power generation and other machinery applications.
▪ The immune system inexplicably begins attacking the protective sheaths surrounding nerves, damaging the nerves' ability to conduct impulses.
The Collaborative International Dictionary
Sheath

Sheath \Sheath\, n. [OE. schethe, AS. sc[=ae][eth], sce['a][eth], sc[=e][eth]; akin to OS. sk[=e][eth]ia, D. scheede, G. scheide, OHG. sceida, Sw. skida, Dan. skede, Icel. skei[eth]ir, pl., and to E. shed, v.t., originally meaning, to separate, to part. See Shed.]

  1. A case for the reception of a sword, hunting knife, or other long and slender instrument; a scabbard.

    The dead knight's sword out of his sheath he drew.
    --Spenser.

  2. Any sheathlike covering, organ, or part. Specifically:

    1. (Bot.) The base of a leaf when sheathing or investing a stem or branch, as in grasses.

    2. (Zo["o]l.) One of the elytra of an insect.

      Medullary sheath. (Anat.) See under Medullary.

      Primitive sheath. (Anat.) See Neurilemma.

      Sheath knife, a knife with a fixed blade, carried in a sheath.

      Sheath of Schwann. (Anat.) See Schwann's sheath.

Douglas Harper's Etymology Dictionary
sheath

Old English sceað, scæð, from Proto-Germanic *skaithiz (cognates: Old Saxon scethia, Old Norse skeiðir (plural), Old Frisian skethe, Middle Dutch schede, Dutch schede, Old High German skaida, German scheide "a sheath, scabbard"), according to OED, possibly from root *skei- "divide, split" (see shed (v.)) on notion of a split stick with the sword blade inserted. Meaning "condom" is recorded from 1861; sense of "close-fitting dress or skirt" is attested from 1904.

Wiktionary
sheath

n. 1 A scabbard; a holster for a sword. 2 Anything that has a similar shape to a scabbard for a sword that is for the purpose of holding an object that is longer than it is wide; a case. 3 The insulate outer cover of an electrical cable. 4 A tight-fitting dress. 5 (context British English) A condom. 6 The foreskin of certain animals, e.g. dogs and horses. 7 The base of a leaf when sheathing or investing a stem or branch, as in grasses. 8 One of the elytra of an insect. vb. To put an object (especially a weapon, in particular, a sword) into its sheath.

WordNet
sheath
  1. n. a protective covering for a knife or sword

  2. an enveloping structure or covering enclosing an animal or plant organ or part [syn: case]

  3. a dress suitable for formal occasions [syn: cocktail dress]

Wikipedia
Sheath

Sheath pronounced as , may refer to:

  • Scabbard, a sheath for holding a sword, knife, or other large blade, as well as guns, such as rifles.
  • The outer covering of a cable
  • Condom, a kind of contraception
  • Debye sheath, a layer of a plasma in physics
  • Heliosheath, the region of the heliosphere beyond the termination shock
  • Koteka, a penis sheath worn by some natives of New Guinea
  • Sheath (album), a 2003 techno album by LFO
  • Sheath dress, a type of dress
  • Kosha, an element in human being makeup according to Hinduist philosophy
Botany
  • Leaf sheath, the leaf base when it forms a vertical coating surrounding the stem
Anatomy
  • Carotid sheath, connective tissue around the neck's vascular compartment
  • Myelin sheath, an insulating layer over the axon of a neuron
  • Preputial sheath, protective skin around the penis or clitoris
    • Clitoral hood
    • Penile sheath, the foreskin into which a penis retracts
  • Rectus sheath, the laminas around abdominal muscles
  • Root sheath, the inner or epidermic coat around the root of a hair follicle
  • Tendon sheath, a synovial membrane surrounding a tendon in, for example, the fingers
  • Vagina, the internal structure of the female genitalia
Sheath (album)

Sheath is the third and final studio album by British IDM project LFO, released 22 September 2003 by Warp Records.

The track "Moistly" is featured on the 2012 video game Lumines Electronic Symphony. "Freak" has been featured both in the 2005 film Hard Candy and in the opening credits of 2010 film Enter the Void.

Usage examples of "sheath".

But one thing is clear: atman seeks to realize Brahman, to be united with the Absolute, and it travels in this life on a pilgrimage where it is born and dies, and is born again and dies again, and again, and again, until it manages to shed the sheaths that imprison it here below.

At each end the cell tapers to a point from which the sarcolemma appears to continue as a fine thread, and this, by attaching itself to the inclosing sheath, holds the cell in place.

Attached to the belt by a loop was an ivory-handled flint knife in a rawhide sheath, and suspended from another loop, the lower section of a hollow black aurochs horn, a drinking cup that was a talisman of the Aurochs Hearth.

The axon is like a thin line running down the axis of the interrupted cylinder formed by the myelin sheath.

Jessica felt the cold sheath of the crysknife beneath her bodice, thought of the long chain of Bene Gesserit scheming that had forged another link here.

The overcaptain bolted upright at the table, his blade clearing the sheath, his face twisted in anger.

Syndrome, the breakout contractions were premature, the tentacle sheaths not filled completely with fluid, so the pressure would rupture the membranes.

She strained against Ki, her arms clutching him tightly around his back, while inside, Ki could feel his urgency burgeoning with every surge of her satiny sheath.

I waited until she turned into Frobisher Street before I slipped Chubby the little sheath of notes under the table and we went into the private bar together.

Inside, wrapped in the waterproof sheath of a bamboo culm, was her new travel permit.

As the eland subsided and was still, he laid aside the musket and drew the knife from its sheath on his belt.

I ran easily and sweetly, my T-shirt sticking and unsticking to my sweaty back, my feet cased in Nike Victory 9s that, sprung with argon pockets and flexing sheaths of smart elastomers, could probably have run better by themselves.

LeClaire perfected the process of pocketing self-writing code and embedding it into the mind, protected by a sheath of psionic barriers that would survive riping.

It remained unused, gathering dust while it lay in wait, encased in the old leather of its sheath, until it once again rested in the hand of its rightful owner, the first male child born to the Royal bloodline in 13 or 14 generations.

Then he turned his perusal solely upon his rival, espying no scabbard or pistol, only an empty sheath where a knife should have been.