もんこひら 門戸を開く Show inflections LinksSentence search for 門戸を開くSentence search for もんこをひらくKanji details for 門, 戸 and 開Edit in JMdict Expressions (phrases, clauses, etc.), Godan verb with 'ku' ending1. to open the door (to the world, women, etc.) Discussions Log in to talk about this word.