mother-in-law

Definitions of mother-in-law
  1. noun
    the mother of your spouse
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    examples:
    Naomi
    the mother-in-law of Ruth whose story is told in the Book of Ruth in the Old Testament
    type of:
    in-law, relative-in-law
    a relative by marriage
    female parent, mother
    a woman who has given birth to a child (also used as a term of address to your mother)
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