Learn how to say Sheathe correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word sheathe:
1 [with object] put (a weapon such as a knife or sword) into a sheath:
I sheathed my dagger
when lion cubs strike out at one another, they keep their claws sheathed
2 (often be sheathed in) encase (something) in a close-fitting or protective covering:
her legs were sheathed in black stockings
late Middle English: from sheath