2 examples of rainproof in sentences

(The officer who makes this indiscreet admission and seems to protest against the thefts committed, writes on the following page: "I have found a silk rainproof coat and a camera for Felix.") "Courcy.

It was April and it was "raining cats and dogs" as Dorothy came aboard, but the blue rainproof serge of her beautifully fitting suit was little the worse therefor, and the close little black hat with the fetching feather was one to defy the elements, be they never so wildly springlike.

2 examples of  rainproof  in sentences