防ぼう空くう壕ごうTop 40000MeaningsNoun1. air-raid shelter; bomb shelterKanji used防prevent空empty air壕trench (not filled with water)Pitch accentぼうくうごうComposed of防ぼう空くうair defense; air defenceNoun壕ごうmoat; fosse; trench; ditch; underground air-raid shelter; dugoutNoun