To act as the only guardian of offspring.

A godparent. / A divorced or separated parent who shares custody with the other parent. / A parent in a same-sex couple.

To act as a co-parent; to share custody of a child or children; to share in the responsibility of parenting a child or children.

simple past tense and past participle of co-parent

(of a person) Having three genetic parents; that is, having been produced by a process in which the nucleus of one egg is inserted into the cytoplasm of another egg, which contains mitochondrial DNA, and then the hybrid egg is fertilized by a sperm.

A person who takes care of a child when the normal parents are unavailable.

The shield bug Elasmucha grisea, known for showing a high level of parental care.

plural of parent bug

Alternative form of stepparent

(humorous, euphemistic, of a person) Lacking one or both parents, or having parents who are inadequately supportive or caring.