Noun
biological parent (plural biological parents)
A child's natural parent, either the male who supplied the sperm or the female who supplied the egg which interacted for the child's conception.
I love my adoptive parents, but some day I would like to meet my biological parents.
Every child should have a caring adult in their lives. And that's not always a biological parent or family member. It may be a friend or neighbor. Often times it is a teacher. Joe Manchin