/ Thesaurus / C Synonyms of canonical hour Find synonyms for: Noun1. canonical hour, hour, time of dayusage: (Roman Catholic Church) one of seven specified times for prayerWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: confectionery Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language