1. the act of calling on God, a god, a saint, the Muses, etc. for blessing, help, inspiration, support, or the like
a. a formal prayer used in invoking, as at the beginning of a church service
b. a formal plea for aid from a Muse, god, etc., at the beginning of an epic or similar poem
b. an incantation used in conjuring
Webster’s New World College Dictionary, Fourth Edition, compiled by the
editors of Webster’s New World Dictionaries. Copyright © 2010 by Houghton
Mifflin Harcourt. Published by Houghton Mifflin Harcourt. All rights reserved.