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
There were no signs of rodents at any businesses during this inspection period, but dead roaches were found at Conservatory at Plano, at 6401 Ohio Drive.
—
Mary Ella Hastings
july 3,
Fort Worth Star-Telegram,
4 July 2026
While nibbling deer and pesky rodents might require one approach, something else, like snakes, will require another.
—
Ashley Chalmers,
The Spruce,
3 July 2026
Lundy was officially declared rat-free in 2006, and ongoing biosecurity measures have helped prevent the rodents from returning.
—
Moná Thomas,
PEOPLE,
2 July 2026
In most cases, it was mixed with ancient animal DNA—often from species such as bats and rodents.
—
Tom Metcalfe,
Scientific American,
2 July 2026
See All Example Sentences for rodent
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Mary Ella Hastings
july 3,
Fort Worth Star-Telegram,
4 July 2026
While nibbling deer and pesky rodents might require one approach, something else, like snakes, will require another.
—
Ashley Chalmers,
The Spruce,
3 July 2026
Lundy was officially declared rat-free in 2006, and ongoing biosecurity measures have helped prevent the rodents from returning.
—
Moná Thomas,
PEOPLE,
2 July 2026
In most cases, it was mixed with ancient animal DNA—often from species such as bats and rodents.
—
Tom Metcalfe,
Scientific American,
2 July 2026
See All Example Sentences for rodent
Cite this Entry
“Rodent.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rodent. Accessed 5 Jul. 2026.
Copy CitationKids Definition
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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