Definition of "mothers-in-law" []

• Plural form of mother-in-law. (noun)

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• "“Maybe Solomon got depressed because he had hundreds of mothers-in-law?”"
• "“Chief, how come I always used to forget the names of my mothers-in-law?”"
• "Some plural compound nouns have an internal - s -, e.g. mothers-in-law, but if this was commonly initialised we would still say “em-eye-elz” rather than “emz-eye-el”."