Bull adj. Of or pertaining to a bull; resembling a bull; male; large; fierce. Bull bat (Zool.), the night hawk; so called from the loud noise it makes while feeding on the wing, in the evening.
Bull mackerel (Zool.), the chub mackerel.
Bull pump (Mining), a direct single-acting pumping engine, in which the steam cylinder is placed above the pump.
Bull snake (Zool.), 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.
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