1vest 
/ˈvɛst/ noun
plural vests /ˈvɛst/ noun [count] 1 US a : 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
b : sweater vest 2 : a special piece of clothing that you wear on your upper body for protection or safety
▪ a bulletproof vest ▪ (US) a life vest [=life jacket] 3 Brit : a man's sleeveless undershirt
b : sweater vest
▪ a bulletproof vest ▪ (US) a life vest [=life jacket]
close to the vest — see 2close
