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
Middle Ages England was squirrel crazy: People kept the arboreal rodents as pets and used their furs to line and trim clothing.
—
Bysean Cummings, science.org, 7 Aug. 2024
Brain parasite may strip away rodents' fear of predators—not just of cats
CDC.
—Avery Hurt, Discover Magazine, 6 Aug. 2024
In addition, San Diego County is reporting higher activity in rodents infected with hantavirus this year, with 17 cases of western harvest mice infected with hantavirus.
—Shiv Sudhakar, NBC News, 23 July 2024
The rodents had taken over the encampment and were terrorizing the other residents.
—Jose A. Del Real, Washington Post, 19 July 2024
See all Example Sentences for rodent 
Bysean Cummings, science.org, 7 Aug. 2024
Brain parasite may strip away rodents' fear of predators—not just of cats
CDC.
—Avery Hurt, Discover Magazine, 6 Aug. 2024
In addition, San Diego County is reporting higher activity in rodents infected with hantavirus this year, with 17 cases of western harvest mice infected with hantavirus.
—Shiv Sudhakar, NBC News, 23 July 2024
The rodents had taken over the encampment and were terrorizing the other residents.
—Jose A. Del Real, Washington Post, 19 July 2024
See all Example Sentences for rodent
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Dictionary Entries Near rodent
Cite this Entry
“Rodent.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rodent. Accessed 18 Aug. 2024.
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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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