FOSTER-BROTHER

n.A male nursed as the same breast, or fed by the same nurse.

FOSTER-CHILD

n.A child nursed by a woman not the mother, or bred by a man not the father.

FOSTER-DAM

n.A nurse; one that performs the office of a mother by giving food to a child.

FOSTER-EARTH

n.Earth by which a plant is nourished, though not its native soil.

FOSTER-FATHER

n.One who takes the place of a father in feeding and educating a child.

FOSTER-MOTHER

n.A nurse.

FOSTER-NURSE

n.A nurse.

FOSTER-SISTER

n.A female nursed by the same person.

FOSTER-SON

n.One fed and educated, like a son, though not a son by birth.

foster-

foster- |fɒstə | ▶combining form denoting someone that has a specified family connection through fostering: foster-parent | foster-child. • involving or concerned with fostering a child: foster care. ORIGIN foster-father, foster-mother, foster-child, and foster-brother all date from Old English. Foster-mother has also been used to mean a wet nurse, her husband being foster-father to the child she fed, and a foster-brother or -sister one reared at the same breast.