from
The Collaborative International Dictionary of English v.0.48
Bull \Bull\, a.
Of or pertaining to a bull; resembling a bull; male; large;
fierce.
[1913 Webster]
{Bull bat} (Zool.), 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} (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.
[1913 Webster]