Rodent

a.	1.	(Med.) Gnawing; biting; corroding; (Med.) applied to a destructive variety of cancer or ulcer.
	2.	(Zool.) Gnawing.
n.	1.	(Zool.) One of the Rodentia.

Noun

1.

rodent - relatively small gnawing animals having a single pair of constantly growing incisor teeth specialized for gnawing Synonyms: gnawer, gnawing animal

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