Mother's Day


Definition of Mother's Day

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

First Known Use of Mother's Day

1890, in the meaning defined above

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Time Traveler for Mother's Day

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The first known use of Mother's Day was in 1890

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Dictionary Entries Near Mother's Day

mother's boy

Mother's Day


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Cite this Entry

“Mother's Day.” Dictionary, Merriam-Webster, Accessed 20 Oct. 2021.

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Mother's Day


English Language Learners Definition of Mother's Day

: 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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