mouser
Americannoun
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an animal that catches mice.
Our cat is a good mouser.
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a person or thing that seeks or prowls, as if for prey.
noun
Etymology
Origin of mouser
Middle English word dating back to 1350–1400; see origin at mouse, -er 1
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
On Saturday came sad news that Palmerston, a black-and-white cat, once mouser to the Foreign Office and "Diplocat extraordinaire", had passed away in Bermuda where he retired in 2020.
From Barron's • Feb. 15, 2026
But it was the overwhelming reaction to Erik’s accompanying Backstory, on the loss of his beloved mouser cat, Charlie, that registered in our hearts as well as in our analytics.
From Seattle Times • Mar. 5, 2023
He also developed an antagonistic relationship with the Foreign Office’s own mouser, Palmerston, who has since retired from public duty.
From New York Times • Sep. 6, 2022
But the chief mouser is likely to be more interested in the ongoing turf war between him and his Foreign Office rival, Palmerston.
From BBC • Jul. 24, 2019
Ralph shuddered at the thought of an electronic mouser sending his family screaming into the snow to freeze to death.
From "Ralph S. Mouse" by Beverly Cleary
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
