SHEATH

sheath

(noun) a protective covering (as for a knife or sword)

sheath, case

(noun) an enveloping structure or covering enclosing an animal or plant organ or part

Source: WordNet® 3.1


Etymology 1

Noun

sheath (plural sheaths)

A holster for a sword; a scabbard.

(by extension) Anything that has a similar shape to a scabbard that is used to hold an object that is longer than it is wide.

Synonyms: case, casing, cover, covering, envelope

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

(electrical engineering) The insulating outer cover of an electrical cable.

(entomology) One of the elytra of an insect.

(fashion) A tight-fitting dress.

(zoology) The foreskin of certain animals (for example, dogs and horses).

(British, informal) A condom.

Synonym: Thesaurus:condom

Etymology 2

Verb

sheath (third-person singular simple present sheaths, present participle sheathing, simple past and past participle sheathed)

Alternative spelling of sheathe

Antonym: unsheath

Anagrams

• heaths

Source: Wiktionary


Sheath, n. Etym: [OE. schethe, AS. scæedh, sceáedh, sceedh; akin to OS. skeedhia, D. scheede, G. scheide, OHG. sceida, Sw. skida, Dan. skede, Icel. skeiedhir, 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: (a) (Bot.) The base of a leaf when sheathing or investing a stem or branch, as in grasses. (b) (Zoöl.) 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.

Source: Webster’s Unabridged Dictionary 1913 Edition



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