noun

• (now dated) Someone's birth; the place, time and circumstances of a birth.
• (astrology) Someone's birth considered as a means of astrology; a horoscope associated with a person's birth.
• (also with capital initial) The birth of Jesus.
• (Christianity, also with capital initial) The festival celebrating the birth of Jesus, Christmas Day; the festival celebrating the birth of the Virgin Mary or the birth of Saint John the Baptist.
• (also with capital initial) A set of figurines used to create a nativity scene.
• (figuratively) Origin; founding.
• Place of origin; place to which a species is native.
• The quality of being native or innate.
• (Christianity) The birth of Jesus as described in the Gospels of Matthew and Luke.
• (by extension) Christmas.