bull terrier

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. Any of a breed of dog having a short, usually white coat and a tapering muzzle, developed in England by crossing a bulldog with a now extinct breed of terrier.

Century Dictionary and Cyclopedia

1. n. A cross-breed between the bulldog and the terrier, exhibiting the courage and fierceness of the one with the activity of the other.

Wiktionary

1. n. A dog of a breed that is a cross between bulldog and terrier.

GNU Webster's 1913

1. (Zoöl.) A breed of short-haired terrier dogs originated in England by crossing the bulldog and the terrier.

WordNet 3.0

1. n. a powerful short-haired terrier originated in England by crossing the bulldog with terriers
2. n. a powerful short-haired terrier originated in England by crossing the bulldog with terriers