Definitions

1. noun

a small flat piece of metal used as money, especially when minted by a government

“She found an old coin in her grandfather’s attic.”

2. verb

to strike or hit (something) with a sudden force, typically in a way that produces a ringing sound

“The bell began to coin when the musician struck it with a hammer.”

3. verb

to create or originate (an idea, phrase, etc.)

“The poet coining a new metaphor in her poem.”