Coin, v. t. [imp. & p. p. Coined (koind); p. pr. & vb. n. Coining.]
1. 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.
2. To make or fabricate; to invent; to originate; as, to coin a word. Some tale, some new pretense, he daily coined, To soothe his sister and delude her mind. Dryden.
3. To acquire rapidly, as money; to make. Tenants cannot coin rent just at quarter day. Locke.
2 other Webster entries under this spelling
Coin (koin), n.
1. A quoin; a corner or external angle; a wegde. See Coigne, and Quoin.
2. 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. It is alleged that it [a subsidy] exceeded all the current coin of the realm. Hallam.
3. That which serves for payment or recompense. The loss of present advantage to flesh and blood is repaid in a nobler coin. Hammond. Coin balance. See Illust. of Balance. -- To pay one in his own coin, to return to one the same kind of injury or ill treatment as has been received from him. [Colloq.]
Coin, v. i.
To manufacture counterfeit money. They cannot touch me for coining. Shak.