Crossword clues for the word: AIRSACS The word AIRSACS has appeared as an answer to at least 4 crossword clues on different crossword puzzles. Crossword clues for AIRSACS Showing 1 to 4 of 4 results Clue(s) "Spaces connected with the lungs, in birds." Lung components called alveoli: 2 wds. Pulmonary cavities These pouches are for the birds