the Annunciation
noun /ði əˌnʌnsiˈeɪʃn/
/ði əˌnʌnsiˈeɪʃn/
[singular]- (in the Christian religion) the occasion when Mary was told that she was to be the mother of Christ, celebrated on 25 MarchWord OriginMiddle English: from Old French annonciation, from late Latin annuntiatio(n-), from the verb annuntiare.