The term Waldorf is associated with two crossword solutions: Astoria (7 letters) and SALAD (5 letters). Astoria is a neighborhood in the New York City borough of Queens, located on the East River across from Manhattan. It is known for its diverse population and its many luxury high-rise apartment buildings. Waldorf Astoria is a luxury hotel chain that was founded in the Astoria neighborhood in 1893. The Waldorf SALAD is a SALAD made of apples, celery, walnuts, and mayonnaise, and is named after the Waldorf Astoria Hotel.