Definition of "Bull" :

noun: a serious and ludicrous blunder

"He made a bad bull of the assignment."

noun: mature male of various mammals of which the female is called cow'; e.g. whales or elephants or especially cattle

noun: uncastrated adult male of domestic cattle

noun: obscene words for unacceptable behavior

"I put up with a lot of bullshit from that jerk."

noun: a formal proclamation issued by the pope (usually written in antiquated characters and sealed with a leaden bulla)

noun: the center of a target

noun: the second sign of the zodiac; the sun is in this sign from about April 20 to May 20

noun: (astrology) a person who is born while the sun is in Taurus

noun: a large and strong and heavyset man

"He was a bull of a man."

noun: an investor with an optimistic market outlook; an investor who expects prices to rise and so buys now for resale later

noun: uncomplimentary terms for a policeman

verb: advance in price

"Stocks were bulling."

verb: speak insincerely or without regard for facts or truths

verb: try to raise the price of stocks through speculative buying

verb: push or force

"He bulled through his demands."