/ Dictionary / Index T trinocular: Meaning and Definition of Find definitions for: trin•oc•u•lar Pronunciation: (trī-nok'yu-lur), [key] — adj. Micros. of or pertaining to a binocular microscope equipped with a third lens system for photographic recording. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. trinketry trinodal Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language