rodent

noun

ro·​dent ˈrō-dᵊnt How to pronounce rodent (audio)
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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
How to keep copperheads away from your home Owens said the best way to keep copperheads away is to remove tall grass and shrubs and anything else that could attract rodents near your home. Evan Moore july 1, Charlotte Observer, 1 July 2025 Coyotes can also help manage the city’s rodent problem and keep other wildlife populations, like Canada geese and raccoons, in check. David Lei, Smithsonian Magazine, 30 June 2025 So, the changes may be related to the various ways that an increasingly urban habitat impacted these rodents. Soo Kim, MSNBC Newsweek, 27 June 2025 According to the Northwoods Humane Society and Companion Animal Control, the cat probably managed to survive by drinking condensation from the container and eating rodents. Kendall Malinchock, USA Today, 24 June 2025 See All Example Sentences for rodent

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

Time Traveler
The first known use of rodent was in 1830

Browse Nearby Words

Cite this Entry

“Rodent.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rodent. Accessed 9 Jul. 2025.

Kids Definition

rodent

noun
ro·​dent ˈrōd-ᵊnt How to pronounce rodent (audio)
: 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 How to pronounce rodent (audio)
: any mammal (as a mouse or rat) of the order Rodentia
rodent adjective

More from Merriam-Webster on rodent

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