Pronunciation: (vest),[key] —n. 1. a close-fitting, waist-length, sleeveless garment that buttons down the front, designed to be worn under a jacket.
2. a part or trimming simulating the front of such a garment; vestee. Cf. dickey1 (def. 1).
3. a waist-length garment worn for protective purposes: a bulletproof vest. 4. a sleeveless, waist- or hip-length garment made of various materials, with a front opening usually secured by buttons, a zipper, or the like, worn over a shirt, blouse, dress, or other article for style or warmth: a sweater vest; a down vest. 5. Brit.an undervest or undershirt.
6. a long garment resembling a cassock, worn by men in the time of Charles II.
7. Archaic. a. dress; apparel.
b. an outer garment, robe, or gown.
c. an ecclesiastical vestment.
8. play it close to the vest,Informal.to avoid taking unnecessary risks.
—v.t. 1. to clothe; dress; robe.
2. to dress in ecclesiastical vestments: to vest a bishop. 3. to cover or drape (an altar).
4. to place or settle (something, esp. property, rights, powers, etc.) in the possession or control of someone (usually fol. by in): to vest authority in a new official. 5. to invest or endow (a person, group, committee, etc.) with something, as powers, functions, or rights: to vest the board with power to increase production; to vest an employee with full benefits in the pension plan.
—v.i. 1. to put on vestments.
2. to become vested in a person, as a right.
3. to devolve upon a person as possessor; pass into possession or ownership.