防ぼう空くう頭ず巾きんMeaningsNoun1. air-raid hoodKanji used防prevent空empty air頭head巾piece of fabricPitch accentぼうくうずきんぼうくうずきんComposed of防ぼう空くうair defense; air defenceNoun頭ず巾きんheadgear (esp. one made of cloth); hood; kerchief; cap; skullcap; hat; tokin (headgear worn by yamabushi)Noun