/euh nun'see ay"sheuhn/ , n.
1. ( often cap. ) the announcement by the angel Gabriel to the Virgin Mary of her conception of Christ.
2. ( cap. ) a representation of this in art.
3. ( cap. ) Also called Lady Day . the church festival on March 25 in memory of this.
4. an act or instance of announcing; proclamation: the annunciation of a new foreign policy.
[ 1350-1400; ME an ( n ) unciacio ( u ) n ( annunciation-, s. of annunciatio, for LL adnuntiatio; see ANNUNCIATE, -ION ]