One of the two persons from whom one is immediately biologically descended; a mother or father.

A surrogate parent.

A third person who has provided DNA samples in an IVF procedure in order to alter faulty genetic material.

A person who acts as a parent in rearing a child; a step-parent or adoptive parent.

The source or origin of something.

(biology) An organism from which a plant or animal is immediately biologically descended.

(attributive) A noun "parent" represents a sponsor, supporter, owner, protector, or a parent company.

(computing) The object from which a child or derived object is descended; a node superior to another node.

(physics) The nuclide that decays into a daughter nuclide.

To act as parent, to raise or rear.