肛こう門もん括かつ約やく筋きんMeaningsNoun1. anal sphincterKanji used肛anal門gate括tie a loop around約promise筋musclePitch accentこうもんかつやくきんComposed of肛こう門もんanusNoun括かつ約やく筋きんsphincter (muscle); constrictorNoun