もうこ 蒙古ひだ LinksSentence search for 蒙古ひだSentence search for もうこひだSentence search for 蒙古ヒダSentence search for 蒙古襞Kanji details for 蒙 and 古Edit in JMdict Noun1. epicanthal fold; epicanthic fold; epicanthusAnatomyOther forms蒙古ヒダ 【もうこひだ】、蒙古襞 【もうこひだ】 Discussions Log in to talk about this word.