つきいち 月一 LinksSentence search for 月一Sentence search for つきいちSentence search for 月1Kanji details for 月 and 一Edit in JMdict Noun, Noun which may take the genitive case particle 'no'1. (at a rate of) once a monthNoun2. 10 percent monthly interestOther forms月1 【つきいち】 Discussions Log in to talk about this word.