Nativity

n. pl. Nativies (#).
  1. The coming into life or into the world; birth; also, the circumstances attending birth, as time, place, manner, etc.
  2. (Fine Arts) A representation of the positions of the heavenly bodies as the moment of one's birth, supposed to indicate one's future destinies; a horoscope.
    3. The Nativity ,
    the birth or birthday of Christ; Christmas day.
    To cast one's nativity or To calculate one's nativity (Astrol.),
    to find out and represent the position of the heavenly bodies at the time of one's birth.