/ Dictionary / Index M Mastigophora: Meaning and Definition of Find definitions for: Mas•ti•goph•o•ra Pronunciation: (mas"ti-gof'ur-u), [key] — n. a phylum of protozoans comprising nonphotosynthetic, chiefly free-living flagellates: some species are important pathogens of humans and other animals. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mastigophora (Thesaurus) mastigium mastigophoran Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language