from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun One's biological mother.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The woman who gives birth to a child (not necessarily the genetic mother)


Sorry, no etymologies found.


    Sorry, no example sentences found.


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  • does this really qualify as a retronym? I can't imagine there having been a time in human history when foster or adoptive parents weren't a thing.

    May 2, 2014