川の字 かわのじ Meanings Expression, Noun (formation of) three people sleeping side by side (esp. a child between two parents) (literally: "river" character) (as 川の字で寝る, 川の字になって寝る, etc.) Kanji 川 river. Read as かわ. 字 character. Read as ジ. Jinuma: Japanese Dictionary · Word lists