rodent

2 ENTRIES FOUND:

ro·dent

noun \ˈrō-dənt\

: a small animal (such as a mouse, rat, squirrel, or beaver) that has sharp front teeth

Full Definition of RODENT

1
:  any of an order (Rodentia) of relatively small gnawing mammals (as a mouse, squirrel, or beaver) that have in both jaws a single pair of incisors with a chisel-shaped edge
2
:  a small mammal (as a rabbit or a shrew) other than a true rodent
rodent adjective

Origin of RODENT

ultimately from Latin rodent-, rodens, present participle of rodere to gnaw; akin to Latin radere to scrape, scratch, Sanskrit radati he gnaws
First Known Use: 1835

ro·dent

noun \ˈrōd-ənt\   (Medical Dictionary)

Medical Definition of RODENT

: any mammal (as a mouse or rat) of the order Rodentia
rodent adjective

rodent

noun    (Concise Encyclopedia)

Any member of the order Rodentia, which contains 50% of all living mammal species. Rodents are gnawing, mostly herbivorous, placental mammals. They have one pair of upper and one pair of lower, continuously growing, incisors. When the lower jaw is pulled back, the cheek teeth connect for grinding; when it is pulled forward and down, the incisors meet at the tips for gnawing. Rodent families include squirrels (Sciuridae); Old World mice (see mouse) and rats (Muridae); deer mice (see deer mouse), gerbils, hamsters, lemmings, muskrats, wood rats, and voles (Cricetidae); beaver (Castoridae); gophers (Geomyidae); guinea pigs (Caviidae); pocket mice (see pocket mouse) and kangaroo rats and mice (Heteromyidae); New and Old World porcupines (Erethizontidae and Hystricidae); and hutia (Capromyidae).

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