Crossword clues for the word: OXYGENMASK The word OXYGENMASK has appeared as an answer to at least 9 crossword clues on different crossword puzzles. Crossword clues for OXYGENMASK Showing 1 to 9 of 9 results Clue(s) Airplane essential Aviator's high-altitude apparatus Bovine breathing aid? Drop-down item that hopefully doesn't have to Emergency air supply Emergency air supply source High-altitude pilot's equipment Nothing can symbolise the contents of this life-saving apparatus Stewardess's visual aid