in-law definition

  • noun:
    • a member of family by wedding.
    • A relative by marriage (or through affinity). Affinal relative; affine.
    • often specifically a parent-in-law of your respective son or daughter, for which the devoted terms co-mother-in-law, co-father-in-law tend to be uncommon
    • somebody who is associated by relationship, as distinguished from a blood general; esp. mother-in-law (mom of the spouse), father-in-law (the daddy of one's partner), brother-in-law (the sibling of your spouse, or husband of the spouse's sis), sister-in-law (the sibling of your respective partner, or partner of one's spouse's cousin).
    • a relative by marriage

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  • Medical Dictionary for "in-law"
    • A relative by marriage. An in-law
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