Metal money is a term that typically refers to coins made of metal circulated as currency. There are several synonyms for this phrase, one of which is "specie." In addition to specie, other words for metal money include hard currency, metal coinage, precious metal coinage, coinage, hard cash, and metallic currency. These synonyms are used interchangeably in different contexts to refer to the same thing - money made of metal. It is important to note that the term metal money is a broad term that encompasses various types of coins, such as gold, silver, bronze, nickel, and other alloys. Regardless of the term used, metal money has been a vital aspect of commerce and trade for centuries and continues to be used today.