BULL a.
ling 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 cyl…