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
That includes limiting a pet’s exposure to H5N1 by not feeding them raw food or unpasteurized milk, and trying to keep them from interacting with animals like rodents and wild birds that could be infected with the virus.
—
Kff Health News, San Diego Union-Tribune, 25 Feb. 2025
Food scraps scattered along the roadside attract rodents, which in turn draw owls to hunt them.
—Cecilia Rodriguez, Forbes, 24 Feb. 2025
Results showed a major ingredient in hair dye caused cancer when fed to rodents.
—Yasmine Salam, NBC News, 13 Feb. 2025
Make a donation to the zoo's Cry Me a Cockroach fundraiser and the zoo will name a cockroach, rodent or vegetable after an ex before serving it to one of the zoo's residents.
—Greta Cross, USA TODAY, 10 Feb. 2025
See All Example Sentences for rodent
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Kff Health News, San Diego Union-Tribune, 25 Feb. 2025
Food scraps scattered along the roadside attract rodents, which in turn draw owls to hunt them.
—Cecilia Rodriguez, Forbes, 24 Feb. 2025
Results showed a major ingredient in hair dye caused cancer when fed to rodents.
—Yasmine Salam, NBC News, 13 Feb. 2025
Make a donation to the zoo's Cry Me a Cockroach fundraiser and the zoo will name a cockroach, rodent or vegetable after an ex before serving it to one of the zoo's residents.
—Greta Cross, USA TODAY, 10 Feb. 2025
See All Example Sentences for rodent
Cite this Entry
“Rodent.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rodent. Accessed 12 Mar. 2025.
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Medical Definition
rodent
noun
ro·dent
ˈrōd-ᵊnt 
: any mammal (as a mouse or rat) of the order Rodentia
rodent
adjective
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