rodent

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rodent

(rōd′nt)
n.
Any of various mammals of the order Rodentia, such as a mouse, rat, squirrel, or beaver, characterized by large incisors used for gnawing or nibbling.

ro′dent adj.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

rodent

Infectious disease A mammal of order Rodentia–eg, mice, rats, squirrels, gerbils, chipmunks, voles, moles, et al Vectors for Argentine hemorrhagic fever, Bolivian hemorrhagic fever, endemic typhus, Francisella tularensis, Hantavirus pulmonary syndrome, Helicobacter cinaedi, hemorrhagic fever with renal syndrome, Hymenolepsis diminuta, Hymenolepsis nana, Lassa fever, leptospirosis, listeriosis, lymphocytic choriomeningitis, Ornithonyssus bacoti-induced dermatitis, plague, rabies, rickettsialpox, salmonellosis, Spirillum minus, Streptobacillus moniliformis, tick-borne relapsing fever, Trichophyton mentagrophytes, Venezuelan hemorrhagic fever, Yersinia enterocolitica
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

rodent

any member of the mammalian order Rodentia, including gnawing mammals which have chisel-like incisors and lack canines. Examples include rats, mice, squirrels.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005