The Collaborative International Dictionary of English v.0.48:
Bull \Bull\, n. [OE. bule, bul, bole; akin to D. bul, G. bulle,
Icel. boli, Lith. bullus, Lett. bollis, Russ. vol'; prob. fr.
the root of AS. bellan, E. bellow.]
1. (Zool.) The male of any species of cattle (Bovid[ae]);
hence, the male of any large quadruped, as the elephant;
also, the male of the whale.
Note: The wild bull of the Old Testament is thought to be the
oryx, a large species of antelope.
2. One who, or that which, resembles a bull in character or
action. --Ps. xxii. 12.
(a) Taurus, the second of the twelve signs of the zodiac.
(b) A constellation of the zodiac between Aries and
Gemini. It contains the Pleiades.
At last from Aries rolls the bounteous sun,
And the bright Bull receives him. --Thomson.
4. (Stock Exchange) One who operates in expectation of a rise
in the price of stocks, or in order to effect such a rise.
See 4th Bear, n., 5.
5. a ludicrously false statement; nonsense. Also used as an
Syn: bullshit, Irish bull, horseshit, shit, crap, crapola,
bunk, bunkum, buncombe, guff, nonsense, rot, tommyrot,
balderdash, hogwash, dogshit.
Bull baiting, the practice of baiting bulls, or rendering
them furious, as by setting dogs to attack them.
John Bull, a humorous name for the English, collectively;
also, an Englishman. "Good-looking young John Bull." --W.
To take the bull by the horns, to grapple with a difficulty
instead of avoiding it.