[kɔɪn], (Noun)

Definitions:
- a flat disc or piece of metal with an official stamp, used as money
(e.g: she opened her purse and took out a coin)


Phrases:
- pay someone back in their own coin
- the other side of the coin
- to coin a phrase

Origin:
Middle English: from Old French coin ‘wedge, corner, die’, coigner ‘to mint’, from Latin cuneus ‘wedge’. The original sense was ‘cornerstone’, later ‘angle or wedge’ (senses now spelled quoin); in late Middle English the term denoted a die for stamping money, or a piece of money produced by such a die

[kɔɪn], (Verb)

Definitions:
- make (coins) by stamping metal
(e.g: guineas and half-guineas were coined)

- invent (a new word or phrase)
(e.g: he coined the term ‘desktop publishing’)


Phrases:
- pay someone back in their own coin
- the other side of the coin
- to coin a phrase

Origin:
Middle English: from Old French coin ‘wedge, corner, die’, coigner ‘to mint’, from Latin cuneus ‘wedge’. The original sense was ‘cornerstone’, later ‘angle or wedge’ (senses now spelled quoin); in late Middle English the term denoted a die for stamping money, or a piece of money produced by such a die