/ Dictionary / Index D Dionysius Thrax: Meaning and Definition of Find definitions for: Diony'sius Thrax' Pronunciation: (thraks), [key] c100 b.c., Greek grammarian. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Dionysius the Areopagite Dionysus Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language