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
In lab tests performed on mice with vitiligo, one group of the rodents received weekly EPS injections for a total of 18 weeks, while a control group was left untreated.
—
Ben Coxworth, New Atlas, 9 Feb. 2025
Dogs in this group were first bred to go underground in pursuit of rodents and other vermin.
—Ryan Canfield, Fox News, 7 Feb. 2025
This behavior evolved from their ancestors, whose prey—such as small rodents—was most active at these times.
—Kristan Hawkins, Newsweek, 6 Feb. 2025
Four Dallas restaurants failed health inspections for serious violations, and roaches and signs of rodents were found at other places to eat.
—Shambhavi Rimal, Fort Worth Star-Telegram, 4 Feb. 2025
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Ben Coxworth, New Atlas, 9 Feb. 2025
Dogs in this group were first bred to go underground in pursuit of rodents and other vermin.
—Ryan Canfield, Fox News, 7 Feb. 2025
This behavior evolved from their ancestors, whose prey—such as small rodents—was most active at these times.
—Kristan Hawkins, Newsweek, 6 Feb. 2025
Four Dallas restaurants failed health inspections for serious violations, and roaches and signs of rodents were found at other places to eat.
—Shambhavi Rimal, Fort Worth Star-Telegram, 4 Feb. 2025
See all Example Sentences for rodent
Dictionary Entries Near rodent
Cite this Entry
“Rodent.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rodent. Accessed 16 Feb. 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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