月夜の蟹 つきよのかに Also written 月夜のカニ Meanings Expression, Noun crab with little meat (literally: crab of a moonlit night) something with no meat to it; something unsubstantial Kanji 月 moon. Read as つき. 夜 night 蟹 crab. Read as かに. Jinuma: Japanese Dictionary · Word lists