こいぐちき 鯉口を切る Show inflections LinksSentence search for 鯉口を切るSentence search for こいぐちをきるKanji details for 鯉, 口 and 切Edit in JMdict Expressions (phrases, clauses, etc.), Godan verb with 'ru' ending1. to loosen one's sword slightly in the scabbard Discussions Log in to talk about this word.