Anything that covers
For a change, in this case, he was telling the truth. It is not the case that every unfamiliar phrase is an idiom. In case of fire, break glass. [sign on fire extinguisher holder in public space]
A piece of heavy steel pipe used to line a borehole or well, esp. an oil or gas well
Find another word for scabbard. In this page you can discover 11 synonyms, antonyms, idiomatic expressions, and related words for scabbard, like: covering, case, holder, sheath, battle-axe, armlet, casing, sword, pommel, halberd and tsuba.