part of speech: noun

definition: a piece of metal money that is small, flat, and round.

  • Pennies, nickels, dimes, and quarters are all coins.


part of speech: verb

inflections: coins, coining, coined

definition 1: to make money by stamping metal.

  • They coin thousands of pennies every week.

definition 2: to invent or make up.

  • People coined the word “smog” by combining the words “smoke” and “fog.”