foster mother

American  

noun

1. a woman who takes the place of a mother in raising a child.

2. a nurse.

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foster mother British  

noun

1. a woman who looks after or brings up a child or children as a mother, in place of the natural or adoptive mother

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Etymology

Origin of foster mother

before 1000; Middle English; Old English

Example Sentences

See Examples For:

foster mother

K's foster mother said she would "support her all the time".

From BBC ● Mar. 12, 2026

As Laura, the foster mother in “Bring Her Back,” Ms. Hawkins turns the smile up to terrifying.

From The Wall Street Journal ● Sep. 30, 2025

Darthard gave detectives a conflicting account, saying she had picked up the kids from the foster mother a day earlier.

From Los Angeles Times ● Jul. 22, 2024

You were a foster mother to a disabled adult for 13 years.

From Slate ● Apr. 4, 2024

His foster mother at the time had tried to placate him with candy from the vending machine, but he had just cried under the table until she dragged him out and they went home.

From "Far from the Tree" by Robin Benway