coin

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

• noun A small piece of metal, usually flat and circular, authorized by a government for use as money.
• noun Metal money considered as a whole.
• noun A flat circular piece or object felt to resemble metal money.
• noun A mode of expression considered standard.
• transitive verb To make (pieces of money) from metal; mint or strike.
• transitive verb To make pieces of money from (metal).
• transitive verb To devise (a new word or phrase).
• adjective Requiring one or more pieces of metal money for operation.
• idiom (the other side of the coin) One of two differing or opposing views or sides.

from The Century Dictionary.

• noun A quince.
• To stamp and convert into money; mint: as, to coin gold.
• To make by coining metals: said of money.
• To represent on a coin.
• To make; fabricate; invent: as, to coin words.
• In tin-works, to weigh and stamp (tin blocks).
• To yield to the process of minting; be suitable for conversion into metallic money; be coinable.
• noun In architecture, a corner or an angle. See quoin.
• noun The specific name given to various wedge-shaped pieces used for different purposes, as—
• noun for raising or lowering a piece of ordnance;
• noun for locking a printers' form;
• noun for fixing casks in their places, as on board a ship. See quoin.
• noun A die employed for stamping money.
• noun Hence A piece of metal, as gold, silver, copper, or some alloy, converted into money by impressing on it officially authorized marks, figures, or characters: as, gold coins; a copper coin; counterfeit coins.
• noun Collectively, coined money; coinage; a particular quantity or the general supply of metallic money: as, a large stock of coin; the current coin of the realm.
• noun Figuratively, anything that serves for payment, requital, or recompense.
• noun [F.] The clock of a stocking.

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

• noun A quoin; a corner or external angle; a wedge. See coigne, and quoin.
• noun A piece of metal on which certain characters are stamped by government authority, making it legally current as money; -- much used in a collective sense.
• noun That which serves for payment or recompense.
• noun See Illust. of Balance.
• noun [Colloq.] to return to one the same kind of injury or ill treatment as has been received from him.
• transitive verb To make of a definite fineness, and convert into coins, as a mass of metal; to mint; to manufacture.
• transitive verb To make or fabricate; to invent; to originate.
• transitive verb To acquire rapidly, as money; to make.
• intransitive verb To manufacture counterfeit money.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun money A piece of currency, usually metallic and in the shape of a disc, but sometimes polygonal, or with a hole in the middle.
• noun A token used in a special establishment like a casino (also called a chip).
• noun One of the suits of minor arcana in tarot, or a card of that suit.
• verb to create coins.
• verb to make up or invent, and establish

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• verb make up
• noun a flat metal piece (usually a disc) used as money
• verb form by stamping, punching, or printing