/ Dictionary / Index R rhinovirus: Meaning and Definition of Find definitions for: rhi•no•vi•rus Pronunciation: (rī"nō-vī'rus, rī'nō-vī"-), [key] — pl. -rus•es. any of a varied and widespread group of picornaviruses responsible for many respiratory diseases, including the common cold. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rhinovirus (Thesaurus) rhinosporidium -rhiza 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