BULL

Of or pertaining to a bull; resembling a bull; male; large; fierce. Bull bat (Zoöl.), the night hawk; -- so called from the loud noise it makes while feeding on the wing, in the evening. -- Bull calf. (a) A stupid fellow. -- Bull mackerel (Zoöl.), the chub mackerel. -- Bull pump (Mining), a direct single-acting pumping engine, in which the steam cylinder is placed above the pump. -- Bull snake (Zoöl.), the pine snake of the United States. -- Bull stag, a castrated bull. See Stag. -- Bull wheel, a wheel, or drum, on which a rope is wound for lifting heavy articles, as logs, the tools in well boring, etc.