Dictionary
wa•ter•proof
Pronunciation: (wô'tur-prOOf", wot'ur-), [key]—
adj.
1. impervious to water.
2. rendered impervious to water by some special process, as coating or treating with rubber:
a waterproof hat.
—
n.
1. Chiefly Brit.a raincoat or other outer coat impervious to water.
2. any of several coated or rubberized fabrics that are impervious to water.
—
v.t.
to make waterproof.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.