/ Dictionary / Index T Th.D.: Meaning and Definition of Find definitions for: Th.D. Pronunciation: [key] Doctor of Theology. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: thd (Thesaurus) THC the 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