Ā've Ma·rī·ā or Ā've Mā'ry

. [From the first words of the Roman Catholic prayer to the Virgin Mary; Lat. ave, hail, Maria, Mary.]

1. An invocation to the Virgin Mary, a form of devotion in the Roman Catholic church, “To number Ave Marias on his beads.” Shak.
2. A particular time, in Italy about half an hour after sunset, and also at early dawn, when the bells ring, and the people repeat the Ave Mary. P. Cyc.

Ave Maria! blessed be the hour! Byron.