Breadcrumb Home > Dictionary > Index A advocatus diaboli*: Meaning and Definition of Find definitions for: ad•vo•ca•tus di•a•bo•li Pronunciation: (äd"vô-kä'ts dē-ä'bô-lē"), [key] — Medieval Latin. Medieval Latin. See(def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. advocatory advowson TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: pellucid Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language