what does coin money mean
â¢ COIN (noun). The noun COIN has 1 sense: 1. a metal piece (usually a disc) used as money. Familiarity information: COIN used as a noun is very rare. â¢ COIN (verb). The verb COIN has 2 senses: 1. make up. 2. form by stamping, punching, or printing. Familiarity information: COIN used as a verb is rare.