空くう気き袋ぶくろMeaningsNoun1. air sac; bladder; air bag; windbagOther readings空くう気き袋ふくろKanji used空empty air気state of mind袋sackComposed of空くう気きair; atmosphere; mood; situationNoun袋ふくろbag; sack; pouch; skin of an orange (and other like fruits); dead end; plot of land surrounded by waterNoun