nativity
     n 1: the event of being born; "they celebrated the birth of their
          first child" [syn: {birth}, {nascency}, {nascence}]
          [ant: {death}]
     2: the theological doctrine that Jesus Christ had no human
        father; Christians believe that Jesus's birth fulfilled
        Old Testament prophecies and was attended by miracles; the
        Nativity is celebrated at Christmas [syn: {Virgin Birth}]
Source: WordNet® 2.0