Bullion is a term used to describe precious metals, such as GOLD, silver, and platinum, that are in the form of bars or INGOTS. The METAL is usually stored in a secure vault or bank and is often used as a form of currency. The crossword solutions for the term bullion include METAL (5 letters), INGOTS (6 letters), GOLD (4 letters), KNOX (4 letters), and INGOT (5 letters). METAL refers to any of the precious metals that can be used as bullion, while INGOTS and INGOT refer to the bar or INGOT form of the METAL. GOLD is a specific type of METAL that is often used as bullion, and KNOX is a type of INGOT that is used to store GOLD.