/ Dictionary / Index T trichomoniasis: Meaning and Definition of Find definitions for: trich•o•mo•ni•a•sis Pronunciation: (trik"u-mu-nī'u-sis), [key] — n. Pathol. a sexually transmitted disease typically asymptomatic in men and resulting in vaginitis with a copious, frothy discharge and itching in women, caused by a trichomonad Trichomonas vaginalis. any of various other diseases caused by a trichomonad. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: trichomoniasis (Thesaurus) trichomonad trichonotid 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