virgin birth noun5 •(often capitalized and used absolutely: the Virgin Birth) The miraculous birth of Christ from the Virgin Mary. •Any similar birth of a deity. •Childbirth in which the offspring is said to have been conceived without sexual intercourse.Many religions and traditions have myths about a virgin birth.Oh, you never let the cat out? Then I suppose those kittens were a virgin birth. •Childbirth in which the mother conceived the child through artificial insemination. •A birth (or vegetal reproduction) after spontaneous, unfertilized gamete-development in a virginal mother, parthenogenesis. formsvirgin births