Easton's Bible Dictionary
Noah Webster's New International Dictionary of the English Language
1. (n.) A small room or apartment for retirement; a room for privacy.
2. (n.) A small apartment, or recess in the side of a room, for household utensils, clothing, etc.
3. (v. t.) To shut up in, or as in, a closet; to conceal.
4. (v. t.) To make into a closet for a secret interview.