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Definitions

mouser

[mou-zer] / ˈmaʊ zər /


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.

Larry the cat, the UK's most famous feline, marks 15 years on Sunday as the country's chief mouser patrolling the corridors of power around number 10 Downing Street.

From Barron's • Feb. 15, 2026

Larry the cat already serves as 10 Downing Street's chief mouser but there are no plans to introduce pets to tackle the pest problem in the Palace of Westminster down the road.

From BBC • Jun. 18, 2025

I wrote about Charlie in The Backstory, because I can truthfully state that Charlie was the best cat ever, and the best mouser ever.

From Seattle Times • Mar. 3, 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

Her name wasn’t a compliment so much as a joke; as a mouser, she was a calamity.

From "Bone Gap" by Laura Ruby