- an animal that catches mice: Our cat is a good mouser.
- a person or thing that seeks or prowls, as if for prey.
Origin of mouser
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for mouser
Now "Mouser" was Farmer Green's big, yellow-eyed, black cat!
“And Mouser likes her, too,” said Lorischen, as if that settled the matter.Fritz and Eric
John Conroy Hutcheson
Gentle as a lamb—soft as butter—kind as cream—and such a mouser!Eugene Aram, Complete
Are you sure it will be as good a mouser and as sweet-tempered and as pretty?Four Little Blossoms at Oak Hill School
Mabel C. Hawley
Mouser had it straight when he talked about hearing ghosts walking.Bobby Blake on a Plantation
Frank A. Warner
- a cat or other animal that is used to catch mice: usually qualifieda good mouser
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for mouser
"cat that hunts mice," c.1400, agent noun from mouse (v.).
Online Etymology Dictionary, © 2010 Douglas Harper