birth parent

or birth·par·ent

See more synonyms for birth parent on Thesaurus.com
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for birth parent

father, mother

birth parent in Medicine

birth parent

n.
  1. A biological parent.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.