vest

1 vest /ˈvɛst/ noun
plural vests
1 vest
/ˈvɛst/
noun
plural vests
Britannica Dictionary definition of VEST
[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 British) waistcoat
— see color picture on this page
b  : sweater vest
2 
: a special piece of clothing that you wear on your upper body for protection or safety
3 
British : a man's sleeveless undershirt

close to the vest

— see 2close
2 vest /ˈvɛst/ verb
vests; vested; vesting
2 vest
/ˈvɛst/
verb
vests; vested; vesting
Britannica Dictionary definition of VEST
[+ object] formal
: to give (someone) the legal right or power to do something or to own land or property