breed of nonsporting dog known for its large, erect, batlike ears, unlike the English bulldog, which has rose ears; slightly longer legs and less boxy stance than English bulldog; brindle, fawn, piebald, or white coat is short, smooth, dense, and shiny; tail is short, hangs low, and is either straight or screw-shaped; eyes are small, round, and very dark; adult stands 11–12 in. (28–30 cm) tall at shoulders and weighs 19–28 lbs (9–13 kg); ancestors used as bullbaiters; today considered affectionate companion and watchdog; probably developed by English lace makers who had immigrated to France in the mid-1800s,