警けい防ぼう団だんけいぼうだんじ字FuriganaMeanings1nouncivil defense unit; voluntary guardshistorical termHistorical term for a civil defense organization in Japan that existed from 1939 to 1947, often composed of volunteer guards.戦せん時じ中ちゅう、警けい防ぼう団だんは地ち域いきの防ぼう空くう活かつ動どうに従じゅう事じした。During the war, the civil defense unit engaged in local air-raid defense activities.