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
Spring moisture will encourage mosquitoes, but a hot, dry summer will also bring ants, cockroaches, and some bonus guests—rodents are expected to get into homes across the region.
—
Lauren Thomann, Better Homes & Gardens, 26 Mar. 2025
Renters Still, the vast majority of Hartford residents rent their homes and many have suffered from poor conditions like mold, faulty appliances, rodent infestations and more.
—Staff Report, Hartford Courant, 25 Mar. 2025
The Oscar-winning actor died of causes related to cardiovascular illness and was likely alive for several days after Arakawa, who died of Hantavirus pulmonary syndrome, a rare disease that can infect humans through contact with infected rodents.
—Alli Rosenbloom, CNN, 21 Mar. 2025
The study found that female rodents have nearly double the GLP-1 receptor expression in brain regions linked to nausea.
—Alex Knapp, Forbes, 19 Mar. 2025
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Lauren Thomann, Better Homes & Gardens, 26 Mar. 2025
Renters Still, the vast majority of Hartford residents rent their homes and many have suffered from poor conditions like mold, faulty appliances, rodent infestations and more.
—Staff Report, Hartford Courant, 25 Mar. 2025
The Oscar-winning actor died of causes related to cardiovascular illness and was likely alive for several days after Arakawa, who died of Hantavirus pulmonary syndrome, a rare disease that can infect humans through contact with infected rodents.
—Alli Rosenbloom, CNN, 21 Mar. 2025
The study found that female rodents have nearly double the GLP-1 receptor expression in brain regions linked to nausea.
—Alex Knapp, Forbes, 19 Mar. 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 13 Apr. 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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