/ Dictionary / Index T thyrsus: Meaning and Definition of Find definitions for: thyr•sus Pronunciation: (thûr'sus), [key] — pl. -si a thyrse. a staff tipped with a pine cone and sometimes twined with ivy and vine branches, borne by Dionysus and his votaries. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: thyrsus (Thesaurus) thyrsoid thysanopteran Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language