The term 'ROCK VENUE' can be broken down into two crossword solutions: ARENA (5 letters) and ORE (3 letters). An ARENA is a large, enclosed area used for sports or entertainment events. It is typically circular or oval-shaped and is often used for concerts, particularly those featuring rock music. ORE is a type of rock that contains valuable minerals or metals, such as iron ORE. It is mined from the earth and is often used to make metal products.