• In-law

    Full definition of in-law

    Noun

    in-law

    (plural in-laws)
    (mainly used in plural)
    1. A relative by marriage (or through affinity). Affinal relative; affine.
    2. Sometimes specifically a parent-in-law of one's child, for which the dedicated terms co-mother-in-law, co-father-in-law are rare

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