/ Dictionary / Index T trivium: Meaning and Definition of Find definitions for: triv•i•um Pronunciation: (triv'ē-um), [key] — n. (during the Middle Ages) the lower division of the seven liberal arts, comprising grammar, rhetoric, and logic. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: trivium (Thesaurus) trivialize triweekly Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language