Mother's Day

noun

Definition of Mother's Day

:the second Sunday in May appointed for the honoring of mothers

First Known Use of mother's day

1890


MOTHER'S DAY Defined for English Language Learners

Mother's Day

noun

Definition of Mother's Day for English Language Learners

  • : the second Sunday in May in the U.S. and the fourth Sunday in Lent in Britain treated as a special day for honoring mothers


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