Closet \Clos"et\, n. [OF. closet little inclosure, dim. of clos. See {Close} an inclosure.] 1. A small room or apartment for retirement; a room for privacy. A chair-lumbered closet, just twelve feet by nine. --Goldsmith. When thou prayest, enter into thy closet. --Matt. vi. 6. 2. A small apartment, or recess in the side of a room, for household utensils, clothing, etc. --Dryden. {Closet sin}, sin commited in privacy. --Bp. Hall.