Definition of coin

• n. - A quoin; a corner or external angle; a wedge. See Coigne, and Quoin.
• n. - 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.
• n. - That which serves for payment or recompense.
• v. t. - To make of a definite fineness, and convert into coins, as a mass of metal; to mint; to manufacture; as, to coin silver dollars; to coin a medal.
• v. t. - To make or fabricate; to invent; to originate; as, to coin a word.
• v. t. - To acquire rapidly, as money; to make.
• v. i. - To manufacture counterfeit money.