/ Dictionary / Index T trifacial neuralgia: Meaning and Definition of Find definitions for: trifa'cial neural'gia Pronunciation: [key] — Pathol. Pathol. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. trifacial trifecta Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language