A salad dressing typically made with mayonnaise, chili sauce, ketchup, and finely chopped vegetables such as pickles, bell peppers, green olives, and onions.
A salad dressing made of mayonnaise with chili sauce or ketchup and minced pickles, capers, olives, etc.
Origin of thousand-island-dressing
- After the Thousand Islands (perhaps in reference to the many small pieces of vegetables in the dressing)
From American Heritage Dictionary of the English Language, 5th Edition