DictionarysheathProtective covering
noun

sheath

SHEETH/ʃiːθ/

A closely fitted enclosing cover.

A leather sheath protects the knife when it is stored.

A plain utility knife rests beside its snug leather sheath, matching blade shape and enclosed protective form clear; no threatening context or brand text.
Etymology

The Old English word for a blade-cover may ultimately reflect the image of a split stick with a blade inserted. That proposed origin is uncertain.

In context

Schrade Knives0:39
… a knife spends the majority of its lifetime in its sheath so it's essential to properly care for a leather sheath
How to Care For Your Leather Knife Sheath

More examples

  • A plastic sheath surrounds each wire inside the cable.
  • She wears a black sheath to the evening reception.
  • The tools come with snug sheaths that cover their blades.

Forms

sheath · sheaths

sheathe verb — To enclose in a fitted protective cover.

Similar words

casing
Usually a rigid outer shell, rather than a fitted sleeve.
scabbard
Specifically a protective case for a sword or other blade.
cover
A broader term that need not imply a snug fit.