/ Dictionary / Index R rodent: Meaning and Definition of Find definitions for: ro•dent Pronunciation: (rōd'nt), [key] — adj. belonging or pertaining to the gnawing or nibbling mammals of the order Rodentia, including the mice, squirrels, beavers, etc. —n. a rodent mammal. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rodent (Thesaurus) rode Rodentia Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language