to make (coinage) by stamping metal: The mint is coining pennies.
8.
to convert (metal) into coinage: The mint used to coin gold into dollars.
9.
to make; invent; fabricate: to coin an expression.
10.
Metalworking. to shape the surface of (metal) by squeezing between two dies. Compare emboss(def. 3).
verb (used without object)
11.
BritishInformal. to counterfeit, especially to make counterfeit money.
Idioms
12.
coin money, Informal. to make or gain money rapidly: Those who own stock in that restaurant chain are coining money.
13.
pay someone back in his/her own coin, to reciprocate or behave toward in a like way, especially inamicably; retaliate: If they persist in teasing you, pay them back in their own coin.
14.
the other side of the coin, the other side, aspect, or point of view; alternative consideration.
Origin: 1300–50; Middle English coyn(e), coygne < Anglo-French; Middle French coin, cuigne wedge, corner, die < Latin cuneus wedge
1304, from O.Fr. coigne "a wedge, cornerstone," from L. cuneus "a wedge." Die for stamping metal was wedge-shaped, and the word came to mean "thing stamped, a piece of money" by late 14c. To coin a phrase is c.1590. The "cornerstone" sense is now usually quoin.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
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