Definitions
1.nounA holster for a sword; a scabbard.
2.noun(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.
3.nounThe base of a leaf when sheathing or investing a branch or stem, as in grasses.
4.nounThe insulating outer cover of an electrical cable.
5.nounOne of the elytra of an insect.
6.nounA tight-fitting dress.
7.nounThe foreskin of certain animals (for example, dogs and horses).
8.nounA condom.