A document signed by a birth parent in front of a Judge relinquishing a child for adoption, the effect of which is to transfer to and empower an agency to give consent to the child's adoption without and in lieu of the birth parent's consent.

relinquish possession or control over; "The squatters had to surrender the building after the police moved in"

relinquish to the power of another; yield to the control of another

Giving up a pet for adoption to a rescue or shelter.

Voluntary termination of parental rights. An action taken by birth parents to voluntarily "make an adoption plan" for a child or "relinquishment” of child for adoption.