Rodent

Ro″dent (?), a. [L. rodens, -entis, p. pr. of rodere to gnaw. See Rase, v. t., and cf. Rostrum.] 1. Gnawing; biting; corroding; (Med.) applied to a destructive variety of cancer or ulcer.

2. (Zoöl.) (a) Gnawing. (b) Of or pertaining to the Rodentia.