An·ge·lus also an·ge·lus (?n?j?-l?s)n. Christianity 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.]American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.Angelus (?ænd??l?s) n1. (Roman Catholic Church) a series of prayers recited in the morning, at midday, and in the evening, commemorating the Annunciation and Incarnation2. (Roman Catholic Church) the bell (Angelus bell) signalling these prayers[C17: Latin, from the phrase Angelus domini nuntiavit Mariae the angel of the Lord brought tidings to Mary]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014An?ge?lus (?æn d?? l?s) n. (often l.c.) 1. a devotion commemorating the Annunciation and the Incarnation in the Roman Catholic and some Anglican churches. 2. Also called An?gelus bell`. the bell announcing the Angelus. [1720?30;