broad

from The American Heritage® Dictionary of the English Language, 5th Edition.

• adjective Wide in extent from side to side.
• adjective Large in expanse; spacious.
• adjective Having a certain width from side to side.
• adjective Full; open.
• adjective Covering a wide scope; general.
• adjective Liberal; tolerant.
• adjective Relating to or covering the main facts or the essential points.
• adjective Plain and clear; obvious.
• adjective Vulgar; ribald.
• adjective Strikingly regional or dialectal.
• adjective Linguistics Pronounced with the tongue placed low and flat and with the oral cavity wide open, like the a in father.
• noun A wide flat part, as of one's hand.
• noun Offensive Slang A woman or girl.
• adverb Fully; completely.

from The Century Dictionary.

• Wide; having great breadth, as distinguished from length and thickness; used absolutely, having much width or breadth; not narrow: as, a strip no broader than one's hand; a broad river or street.
• Large superficially; extensive; vast: as, the broad expanse of ocean.
• Figuratively, not limited or narrow; liberal; comprehensive; enlarged: as, a man of broad views.
• Specifically Inclined to the Broad Church, or to the views held by the Broad-Church party of the Church of England. See Episcopal.
• Large in measure or degree; not small or slight; ample; consummate.
• Widely diffused; open; full: as, in broad sunshine; broad daylight.
• Unconfined; free; unrestrained.
• Unrestrained by a sense of propriety or fitness; unpolished; loutish.
• Unrestrained by considerations of decency; indelicate; indecent.
• Unrestrained by fear or caution; bold; unreserved.
• Characterized by a full, strong utterance; coarsely vigorous; not weak or slender in sound: as, broad Scotch; broad Doric; a broad vowel, such as ä or â or ō.
• Plain; evident.
• In the fine arts, characterized by breadth: as, a picture remarkable for the broad treatment of its subject. See breadth, 3.
• noun A shallow, fenny lake formed by the expansion of a river over adjacent flat land covered more or less with a reedy growth; a flooded fen, or lake in a fen: as, the Norfolk broads.
• noun In mech., a tool used for turning down the insides and bottoms of cylinders in the lathe.
• noun An English coin first issued in 1619 by James I., and worth at the time 20s. The coin was also issued subsequently. Also called laurel and broad-piece.
• To make broad; spread.
• Broadly; openly; plainly.
• Widely; copiously; abundantly.
• Broadly; fully.

from the GNU version of the Collaborative International Dictionary of English.

• noun The broad part of anything.
• noun Local, Eng. The spread of a river into a sheet of water; a flooded fen.
• noun A lathe tool for turning down the insides and bottoms of cylinders.
• noun slang A woman, especially one who is sexually promiscuous; -- usually considered offensive.
• adjective Wide; extend in breadth, or from side to side; -- opposed to narrow.
• adjective Extending far and wide; extensive; vast.
• adjective Extended, in the sense of diffused; open; clear; full.
• adjective Fig.: Having a large measure of any thing or quality; not limited; not restrained; -- applied to any subject, and retaining the literal idea more or less clearly, the precise meaning depending largely on the substantive.
• adjective Comprehensive; liberal; enlarged.
• adjective Plain; evident.
• adjective Free; unrestrained; unconfined.
• adjective (Fine Arts) Characterized by breadth. See Breadth.
• adjective Cross; coarse; indelicate.
• adjective Strongly marked.
• adjective See under Acre.
• adjective originally a pheon. See Pheon, and Broad arrow under Arrow.