Meaning

• (money) A piece of currency, usually metallic and in the shape of a disc, but sometimes polygonal, or with a hole in the middle.

• A token used in a special establishment like a casino.

• That which serves for payment or recompense.

• Money in general, not limited to coins.

  "She spent some serious coin on that car!"

• One of the suits of minor arcana in tarot, or a card of that suit.

• A corner or external angle.

• A small circular slice of food.

• A cryptocurrency.

  "What's the best coin to buy right now?"

Meaning

• To make of a definite fineness, and convert into coins, as a mass of metal.

  "to coin a medal"

• (by extension) To make or fabricate.

  "Over the last century the advance in science has led to many new words being coined."

• To acquire rapidly, as money; to make.