ˌbull-ˈterrier A dog of a cross breed between a bull-dog and a terrier. 1848Thackeray Van. Fair xxxiv, Come down with me to Tom Corduroy's..I'll show you such a bull-terrier.1857Hughes Tom Brown iv, As dogged as a bull-terrier.1871M. Collins Mrq. & Merch. II. x. 289 A..bull-terrier..snarled.