/ Dictionary / Index D D.Th.: Meaning and Definition of Find definitions for: D.Th. Pronunciation: [key] Doctor of Theology. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. d.t.d. DTP Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language