Longman Dictionary English From Longman Dictionary of Contemporary EnglishRelated topics: Clothesshowerproofshow‧er‧proof /ˈʃaʊəpruːf $ ˈʃaʊr-/ adjective DCCshowerproof clothes keep you dry in light rain but not in heavy rainExamples from the Corpusshowerproof• An when the Tactel's on the outside the jacket is also showerproof. ldoceonline.com