noun
plural vests
[count] US
a sleeveless piece of clothing with buttons down the front that is worn over a shirt and under a suit jacket - called also (chiefly Brit) waistcoat
see color picture
sweater vest
a special piece of clothing that you wear on your upper body for protection or safety
Brit :a man's sleeveless undershirt
close to the vest
verb
vests; vested; vesting
[+ obj] formal :to give (someone) the legal right or power to do something or to own land or property
US