To save this word, you'll need to log in.
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
Keep scrolling for more
Keep scrolling for more
Comments on birth mother
What made you want to look up birth mother? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
More Confusing Words—Quiz
- The magician
______moved the selected card to the top of the deck.
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
- More Confusing Words—Quiz
How many of these commonly confused words do you know?
Take the quiz - Name that Thing: Toys and Games Edition
It's all fun and games until someone beats your high score.
Take the quiz - Spell It
Can you spell these 10 commonly misspelled words?
Take the quiz - Syn City
Build a city of skyscrapers—one synonym at a time.
Play the game
Share birth mother
Time Traveler for birth mother
The first known use of birth mother was in 1958
See more words from the same year