coin
noun
MONEY uk/kɔɪn/ us [ C ]
a small round piece of metal, usually silver or a red-brown colour, which is used as money:
a 10p/ten-cent/pound coin
I always keep a few coins in the car to pay for parking.
in coins He gave me $10, all in coins.
[ U ]
money in the form of metal coins:
in coin Thieves stole nearly €300 in coin.
coin
verb [ T ]
uk/kɔɪn/ us MONEY
to produce money in the form of coins:
A new 50 pence piece was coined to commemorate the poet's bicentennial.
coin it (in)
UK informal
to earn a lot of money quickly:
With prices so high, the major oil companies are coining it as never before.
The banks coined it in last year.