/ Dictionary / Index T trichopteran: Meaning and Definition of Find definitions for: tri•chop•ter•an Pronunciation: (tri-kop'tur-un), [key] — adj. trichopterous. —n. a trichopterous insect; caddisfly. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: trichopteran (Thesaurus) trichonymph trichopteron Related Content Daily Word Quiz: abdicate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language