The term CHEESY SNACK can be defined by four different crossword solutions: NACHOS (6 letters), RAREBIT (7 letters), NACHO (5 letters), and NACH (4 letters). Nachos are a popular snack made of tortilla chips covered in melted cheese, often served with salsa or jalapenos. Rarebit is a Welsh dish made of melted cheese on toast. Nacho is a shortened version of nachos, referring to the chips themselves. Nach is a slang term for nachos. Finally, nachochip is a combination of nacho and chip, referring to the chips used in nachos.