coin

noun
  1. A small, flat, and typically round piece of metal issued by a government as money. noun
    He dropped a coin into the vending machine to buy a snack.
    The collector had a rare coin from the 18th century.
  2. To invent or devise a new word or phrase. verb
    The term 'blog' was coined in the late 1990s.
    She coined the phrase 'digital detox' to describe a break from electronic devices.