/ Dictionary / Index T theodolite: Meaning and Definition of Find definitions for: the•od•o•lite Pronunciation: (thē-od'l-īt"), [key] — n. a precision instrument having a telescopic sight for establishing horizontal and sometimes vertical angles. Cf.(def. 6). phototheodolite. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: theodolite (Thesaurus) theodicy Theodora Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language