| Rodent 1. (v. t.) Gnawing; biting; corroding; (Med.) applied to a destructive variety of cancer or ulcer. 2. (v. t.) Gnawing. 3. (v. t.) of or pertaining to the Rodentia. 4. (n.) One of the Rodentia. Thesaurus Entries amphibian, aquatic, biped, canine, cannibal, carnivore, cosmopolite, feline, gnawer, herbivore, insectivore, invertebrate, mammal, mammalian, marsupial, marsupialian, mouselike, mousy, omnivore, primate, quadruped, ratty, reptile, rodential, ruminant, scavenger, ungulate, varmint, vermin, verminous, vertebrate | ![]() |