/ Dictionary / Index A Aquinas: Meaning and Definition of Find definitions for: A•qui•nas Pronunciation: (u-kwī'nus), [key] — n. (“the Angelic Doctor”), 1225?–74, Italian scholastic philosopher: a major theologian of the Roman Catholic Church. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: aquinas (Thesaurus) Aquilo Aquino Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language