bull terrier

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A dog of a breed developed in England from a cross between a bulldog and a terrier, having a short coat and a flat head with a tapering muzzle.

from The Century Dictionary.

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

from the GNU version of the Collaborative International Dictionary of English.

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

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A dog of a breed that is a cross between bulldog and terrier.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a powerful short-haired terrier originated in England by crossing the bulldog with terriers
• noun a powerful short-haired terrier originated in England by crossing the bulldog with terriers