/ Dictionary / Index L L.Th.: Meaning and Definition of Find definitions for: L.Th. Pronunciation: [key] Licentiate in Theology. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Lt. Gov. Lt. Inf. Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language