bull

noun

1.
uncastrated adult male of domestic cattle
2.
a large and strong and heavyset man
3.
Obscene word for unacceptable behavior
Derived from:
bull
4.
a serious and ludicrous blunder
5.
uncomplimentary terms for a policeman
6.
an investor with an optimistic market outlook; an investor who expects prices to rise and so buys now for resale later
Antonym:
bear
Derived from:
bull
7.
the center of a target
8.
a formal proclamation issued by the pope (usually written in antiquated characters and sealed with a leaden bulla)
9.
mature male of various mammals of which the female is called ‘cow’; e.g. whales or elephants or especially cattle