sheath
//ʃiːθ//
Noun
sheathSingular
sheathsPlural
1
A close-fitting cover or case for a blade, such as a sword or knife, typically made of leather or metal.
He carefully slid the sword back into its leather sheath.
2
A protective covering or structure that encloses or surrounds something, such as a cable or nerve fiber.
The nerve fiber is protected by a myelin sheath.
3
A woman's close-fitting dress, typically without a waist seam.
She wore an elegant black sheath to the cocktail party.