/ Dictionary / Index T Thalia: Meaning and Definition of Find definitions for: Tha•li•a Pronunciation: (thu-lī'u, thā'lē-u, thāl'yu), [key] — n. Class. Myth. the Muse of comedy and idyllic poetry. one of the Graces. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: thalia (Thesaurus) Thales thalidomide Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language