bulldog(redirected from Bull dog)
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Related to Bull dog: Bulldog Security
a medium-sized (40-55 lb), thickset dog with very characteristic build and appearance. The head, with a very short face, neck and forequarters, are massive in proportion to the rest of the body and the legs are relatively short. The tail is naturally short. The breed is predisposed to cleft lip and palate, hemivertebra, hydrocephalus, congenital heart defects, spina bifida and upper respiratory structural abnormalities. Called also British bulldog. See also french bulldog.
a larger dog with longer legs and longer nose than the (British) bulldog. It is said to resemble more closely the earlier version of that breed, as it was when brought to the Americas in colonial times.
see nose lead.