/ Dictionary / Index T trichogramma: Meaning and Definition of Find definitions for: trich•o•gram•ma Pronunciation: (trik"u-gram'u), [key] — n. any minute wasp of the genus Trichogramma, comprising a beneficial group of chalcidflies that parasitize the eggs of a variety of insect pests. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. trichocyst trichogyne Related Content Daily Word Quiz: abominable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language