noun.
The study of angels. Angels have been grouped into nine categories, from lowest to highest: angel, virtue, archangel, power, principality, dominion, throne, cherub, and seraph.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
the branch of theology that is concerned with angels
Word Usage
"Call angelology “theology-fiction” or “philosophy-fiction” if you like, or regard it as a legitimate part of theology as queen of the sciences and of philosophy as her handmaiden."