Pronunciation: (rat'kach"ur), [key]
1. a person, animal, or thing that catches and exterminates rats, esp. a person whose business it is to rid a property of rats.
2. Chiefly Brit.an informal fox-hunting costume, as a tweed jacket and tan riding breeches.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.