鼻び腔くうTop 35000MeaningsNoun1. nasal cavity (read びくう in medical science)Other readings鼻び腔こうKanji used鼻nose腔body cavityPitch accentびくうUsed in vocabulary副ふく鼻び腔くうparanasal sinus; paranasal cavity; sinus paranasalesNoun副ふく鼻び腔くう炎えんsinusitisNoun副ふく鼻び腔くう気き管かん支し症しょう候こう群ぐんsinobronchial syndrome; SBSNoun