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.

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

The insulating outer cover of an electrical cable.

One of the elytra of an insect.

A tight-fitting dress.

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

A condom.

To put (something such as a knife or sword) into a sheath.

To encase (something) with a protective covering.

Of an animal: to draw back or retract (a body part) into the body, such as claws into a paw.

To thrust (a sharp object like a sword, a claw, or a tusk) into something.

To abandon or cease (animosity, etc.)

To provide (a sword, etc.) with a sheath.

To relieve the harsh or painful effect of (a drug, a poison, etc.).