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, in the meaning defined above

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Time Traveler for Mother's Day

Time Traveler

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

mother's-heart

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Cite this Entry

“Mother's Day.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Mother%27s%20Day. Accessed 20 Oct. 2021.

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More Definitions for Mother's Day

Mother's Day

noun

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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