/ ˈwɔːtəpruːf; NAmE ˈwɔːtərp-; ˈwɑːt-/ adjective , noun , verb
■ adjective
that does not let water through or that cannot be damaged by water :
waterproof clothing
a waterproof camera
■ noun
[ usually pl. ] a piece of clothing made from material that does not let water through :
You'll need waterproofs (= a waterproof jacket and trousers / pants).
■ verb
[ vn ] to make sth waterproof