sheath

Từ điển Oxford Advanced Learner 8th

sheath [sheath sheaths] BrE [ʃiːθ] NAmE [ʃiːθ] noun (pl. sheathsBrE [ʃiːðz] ; NAmE [ʃiːðz] )
1. a cover that fits closely over the blade of a knife or other sharp weapon or tool
•He put the dagger back in its sheath.
2. any covering that fits closely over sth for protection
•the sheath around an electric cable
3. (BrE) = ↑condom
4. a woman's dress that fits the body closely
•a simple black silk sheath

Word Origin:
Old English scǣth, scēath ‘scabbard’, of Germanic origin; related to Dutch schede, German Scheide, also to the verb ↑shed.

Example Bank:
•He examined the blade before replacing it in its sheath.
•His sword was still in its sheath.
•The wire has an outer sheath of copper.
•The cable is protected by a strong plastic sheath.

• Từ đồng nghĩa / Synonyms:
  cocktail dress, case