n. [ L. annuntiatio: cf. F. annonciation. ] 1. The act of announcing; announcement; proclamation; as, the annunciation of peace. [ 1913 Webster ]

2. (Eccl.) (a) The announcement of the incarnation, made by the angel Gabriel to the Virgin Mary. (b) The festival celebrated (March 25th) by the Church of England, of Rome, etc., in memory of the angel's announcement, on that day; Lady Day. [ 1913 Webster ]

(Bot.) The common white lily (Lilium candidum). So called because it is usually introduced by painters in pictures of the Annunciation. [ Webster 1913 Suppl. ]