防ぼう災さい袋ぶくろぼうさいぶくろMeanings1nounemergency bag; survival kitA bag packed with essentials for evacuation during a disaster. Often synonymous with 非常持ち出し袋.See also: 非常持ち出し袋地じ震しんに備そなえて、防ぼう災さい袋ぶくろを玄げん関かんに置おいている。I keep an emergency bag by the entrance in case of an earthquake.