biological parent

American  

noun

1. a parent who has conceived biological mother or sired biological father rather than adopted a child and whose genes are therefore transmitted to the child.

---

Example Sentences

New documents in a lawsuit against Priscilla Presley’s son include claims that Elvis Presley’s granddaughter Riley Keough is the biological parent of John Travolta and the late Kelly Preston’s youngest child, Benjamin.

From Los Angeles Times • Dec. 18, 2025

In other circumstances, the stepparent becomes the child’s parent in the absence of a biological parent.

From Slate • Aug. 2, 2024

The milk doesn’t have to be from a biological parent: Unlike blood or bone marrow, there are no biological markers in donated breast milk that limit who can receive it.

From Seattle Times • Mar. 30, 2023

"I grew up without my parent, my biological parent, so I had to learn how to communicate with people around the villages to try and survive", she said.

From Reuters • Feb. 22, 2023

Their pregnancy was considered a rarity in India because "no one else has called themselves a biological parent in the transgender community as far as we know", the couple told the BBC earlier this week.

From BBC • Feb. 8, 2023