sheath
/ʃi:θ; ʃiθ/ n
(pl ~ s / ʃi:ðz; ʃiðz/)
1
(a) close-fitting cover for the blade of a weapon or tool 鞘; （工具的）套
Put the dagger back in its sheath. 把短剑插回鞘内. =>illus at knife 见knife插图.
(b) any similar covering 鞘状物
the sheath round an electric cable 电缆的护皮
the `wing-sheath of an insect 昆虫的鞘翅.
2 close-fitting (usu rubber) covering for wearing on the penis during intercourse as a contraceptive; condom （男用）避孕套, 保险套, 阴茎套
a contraceptive sheath 避孕套.
3 woman's close-fitting dress （女用）紧身连衣裙
[attrib 作定语]
a sheath gown 紧身长袍.