/ Dictionary / Index R rhinosporidium: Meaning and Definition of Find definitions for: rhi•no•spo•rid•i•um Pronunciation: (rī"nō-spô-rid'ē-um, -spō-), [key] — pl. -i•a any fungus of the genus Rhinosporidium, members of which produce vascular polyps in the nasal passages. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rhinorrhea rhinovirus Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language