/ Dictionary / Index T toxoplasma: Meaning and Definition of Find definitions for: tox•o•plas•ma Pronunciation: (tok"su-plaz'mu), [key] — pl. -ma•ta -mas. any protist of the genus Toxoplasma, esp. T. gondii, the causative agent of toxoplasmosis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. toxophilite toxoplasmosis Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language