The crossword solution for the term 'diet entree' is 'SALAD, ' which is a five-letter word. SALAD is a dish made of a variety of raw vegetables, usually served with a dressing such as vinaigrette or mayonnaise. It is often served as an appetizer or side dish, but can also be served as a main course. Salads are often seen as a healthy option, as they are low in calories and fat, and high in vitamins and minerals.