/ Dictionary / Index T trimetrogon: Meaning and Definition of Find definitions for: tri•met•ro•gon Pronunciation: (trī-me'tru-gon"), [key] — adj. of or pertaining to a system of aerial photography using three cameras, one pointed directly downward and the others at 60° to it. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. trimetric projection trimmer Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language