birth parent

or birth·par·ent


noun

a biological mother (birth mother) or biological father (birth father); a biological parent.

British Dictionary definitions for birth mother

birth mother

noun

the woman who gives birth to a child, regardless of whether she is the genetic mother or subsequently brings up the child

Medical definitions for birth mother (1 of 2)

birth mother

n.

A biological mother.

Medical definitions for birth mother (2 of 2)

birth parent

n.

A biological parent.