Home›Browse›B›biological parentbiological parentOur editors are putting together more complete content — check back in about 20 minutesbiological parentbiological parent — nounnoun1. a person who gave birth to or fathered a child, as opposed to an adoptive parent1.nounDefinitiona person who gave birth to or fathered a child, as opposed to an adoptive parentExampleShe was raised by her grandparents, but her biological parents still live nearby.