瞳どう孔こうTop 35000MeaningsNoun1. pupil (of the eye)Kanji used瞳pupil (of eye)孔small holePitch accentどうこうUsed in vocabulary瞳どう孔こう縮しゅく小しょうpupil constriction; miosisNoun白はく色しょく瞳どう孔こうleukocoria; leukokoria; amaurotic cat's eyeNoun瞳どう孔こう括かつ約やく筋きんsphincter muscle of the pupil; sphincter pupillaeNoun瞳どう孔こう反はん射しゃpupillary reflexNoun