The crossword solution for the term 'Square Trio' is MEALS. This term refers to a group of three MEALS that are served in a square formation. This type of meal plan is often used in restaurants, cafeterias, and other food service establishments. It typically consists of an appetizer, main course, and dessert, all served on a single plate. The Square Trio is a popular way to serve MEALS as it allows customers to sample a variety of dishes without having to order multiple items.