birth mother

noun

Definition of birth mother

: the mother of a child when the child is born specifically : a woman who gave birth to a child who has been adopted They had turned to an open adoption after pursuing infertility treatments for 18 years, and the birth mother had agreed to relinquish custody at the hospital. — Emily Nussbaum

First Known Use of birth mother

1958, in the meaning defined above

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The first known use of birth mother was in 1958

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Cite this Entry

“Birth mother.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/birth%20mother. Accessed 18 Feb. 2020.

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More Definitions for birth mother

birth mother

noun

English Language Learners Definition of birth mother

: the mother of a child when the child is born : a woman who gave birth to a child who has been adopted

birth mother

noun
birth moth·​er

Legal Definition of birth mother

: the woman who gave birth to a child especially as distinguished from the child's adoptive mother

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