n. The fact of being born; nativity.n. By extension, any act or fact of coming into existence; beginning; origination: as, the birth of Protestantism.n. The act of bearing or bringing forth; parturition: as, “at her next birth,”n. The condition into which a person is born; lineage; extraction; descent: as, Grecian birth; noble birth: sometimes, absolutely, descent from noble or honorable parents and ancestors: as, a man of birth.n. That which is born; that which is produced.n. Nature; kind; sex; natural character.n. In astrology, nativity; fortune.n. See berth.