rodent

noun

ro·​dent ˈrō-dᵊnt 

1

: any of an order (Rodentia) of relatively small gnawing mammals (such 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 (such as a rabbit or a shrew) other than a true rodent

rodent adjective

Examples of rodent in a Sentence

Recent Examples on the Web

The truth is that squirrels are a common rodent, and a little bit of damage caused by these critters might not be that big of a deal, and not worth the hassle of figuring out a bunch of different deterrents. —Molly Burford, Southern Living, 6 June 2026

The rare outbreak on the MV Hondius was caused by the Andes hantavirus, a disease carried by rodents endemic to Argentina and Chile and the only hantavirus thought to be able to spread between people in some cases. —ABC News, 5 June 2026

Like stabburs back in Norway, this one also sits off the ground to keep the rodents out. —John Lauritsen, CBS News, 4 June 2026

Monger noted that traps were placed on the floors around the building and in employee cubicles, and the rodents were being caught daily. —Kimberlee Speakman, PEOPLE, 4 June 2026

Word History

Etymology

borrowed from the base of New Latin Rodentia, order name, from neuter plural of Latin rōdent-, rōdens, present participle of rōdere "to gnaw, nibble, eat away," perhaps going back to Indo-European *Hr̥h₃d-, *Hreh₃d-, whence also Hittite ardu- "saw (off)," Sanskrit rádati "(s/he) bites, gnaws, cuts, opens"

First Known Use

1830, in the meaning defined at sense 1

Phrases Containing rodent

• rodent ulcer

Kids Definition

rodent

noun

ro·​dent ˈrōd-ᵊnt 

: any of an order of fairly small mammals (as mice, squirrels, or beavers) that have sharp front teeth used for gnawing

rodent adjective

Etymology

derived from Latin rodent-, rodens, a form of rodere "to gnaw" — related to erode

Medical Definition

rodent

noun

ro·​dent ˈrōd-ᵊnt 

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

rodent adjective