mouser
Americannoun
-
an animal that catches mice.
Our cat is a good mouser.
-
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.
Other high-profile Westminster pets include Downing Street's chief mouser, Larry the cat, and his Foreign Office counterpart Palmerston, who died in February after retiring to Bermuda.
From BBC ● May 22, 2026
The UK's most famous feline, Larry the cat, marks 15 years as the country's chief mouser patrolling the corridors of power of 10 Downing Street.
From Barron's ● Feb. 15, 2026
A number of you also have had the great joy of having the greatest cat ever and the greatest mouser ever.
From Seattle Times ● Mar. 3, 2023
In subsequent years, he was given the exalted title of chief mouser to the Cabinet Office, a post he has carried out with mixed results, depending on who is passing judgment.
From New York Times ● Sep. 6, 2022
My mother got rid of the vermin and he's a born mouser.
From "The Hunger Games" by Suzanne Collins
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.
