What does the word waterproof mean?

Usage examples for waterproof

  1. Their feathers are compact and soft for warmth, and these properties, together with oil on their surfaces, make them waterproof. – Ontario Teachers' Manuals: Nature Study by Ontario Ministry of Education
  2. The bath- room was absolutely waterproof; you could spray it with a hose, and by means of a gas apparatus you could produce an endless supply of hot water independent of the general supply. – The Card, A Story Of Adventure In The Five Towns by Arnold Bennett
  3. " All I ever want of a man is to carry for me my flask, and waterproof, and luncheon," said Mrs. Carbuncle. – The Eustace Diamonds by Anthony Trollope