a biological mother (birth mother ) or biological father (birth father ); a biological parent.
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Question 1 of 7
What does “vacillate” mean?
Words nearby birth parent
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Medical definitions for birth parent
A biological parent.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.