coin

coin [koin]

n.

[ME < OFr coin, coigne, a wedge, stamp, corner < L cuneus, a wedge < IE base * kū-, pointed > OIr cuil, L culex, gnat, Avestan sū-kā, needle]

1. archaic var. of QUOIN

2.

a) a usually round piece of metal with a distinctive stamp, and of a fixed value and weight, issued by a government as money

b) such pieces collectively

3. Slang money

adj.

requiring, or containing machines requiring, one or more coins for operation [a coin laundry]

vt.

1.

a) to make (coins) by stamping metal

b) to make (metal) into coins

2. to make up; devise; invent (a new word or phrase)

vi.

1. to make coins

2. Brit. to make counterfeit money

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coin money

Informal to earn or accumulate wealth rapidly

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pay a person back in the same coin

to treat a person in the same way the person treated oneself

coiner

n.