婿養子 むこようし Also written ムコようし, ムコ養子 Meanings Noun son-in-law taken (adopted) into family Kanji 婿 son-in-law. Read as むこ. 養 nourish. Read as ヨウ. 子 child. Read as シ. Common phrases 婿養子に入る Jinuma: Japanese Dictionary · Word lists