1. A devotional prayer at morning, noon, and night to commemorate the Annunciation.
2. A bell rung as a call to recite this prayer.

[Medieval Latin, from Late Latin, angel (first word of the devotion). See angel.]

The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.