Boston terrier(redirected from Boston bull)
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a small, shorthaired lively dog with a short nose, prominent eyes, erect ears and a short tapered or screw tail. It has a very short, smooth coat in brindle or black, with white markings. The breed originated in the United States late in the 19th century. Predisposed to hyperadrenocorticism, mast cell tumors, heart base tumors, persistent right aortic arch, hemivertebrae, cataracts and sebaceous gland tumors.