Definition of "birth mother" [birth mother]

One's biological mother. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "birth mother" in a sentence

"A few months after that about a month before our soon-to-be-adopted child was to be born, the birth mother changed her mind and decided to keep her child rather than put it up for adoption."

Words like "birth mother"

adoptive mother

biological mother

birth father

co-mother

foster mother stepmother

surrogate mother