sheath sheeth noun WS #37

a close-fitting cover for the blade of a knife or sword; a protective covering or case; a structure that encloses or protects something; a woman's close-fitting dress

1. The electrical wire was enclosed in a protective plastic sheath to prevent dangerous short circuits.
2. The plant's stem was protected by a natural sheath of modified leaves during its early growth.
3. The diver's knife was secured in a waterproof sheath attached to his diving belt.
4. She wore an elegant black sheath dress to the formal dinner party at the embassy.
5. The knight carefully slid his sword back into its leather sheath after the battle was won.