嫡ちゃく妻さい

noun

legal wife; legitimate wife

Refers to a man's officially recognized wife, as opposed to a concubine or mistress. The term is somewhat formal and may appear in historical or legal contexts.

• 彼かれは嫡ちゃく妻さいのほかに側そく室しつを持もっていた。

  He had a concubine in addition to his legal wife.