Definition of: closet

(kloz′it) noun
1. A small chamber, side room, or recess for storage of clothes, linen, etc., or for privacy.
2. The private chamber of a ruler, used as a council chamber, or as a chapel for devotion.
3. A watercloset; privy.
—v.t. clos·et·ed, clos·et·ing To shut up or conceal in or as in a closet, especially for privacy: usually used with a reflexive pronoun.
—adjective
1. Private; confidential.
2. Based on theory rather than practice: closet strategy. [<OF, dim. of clos. See CLOSE.]