(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.