Potato Salad: Is It Really Salad or Just a Catchy Name?

Newsflash: POTATO SALAD DOES NOT HAVE LETTUCE IN IT!!! So is it really salad? According to an online dictionary, the definition of a salad is:

1. a usually cold dish consisting of vegetables, as lettuce, tomatoes, and cucumbers, covered with a dressing and sometimes containing seafood, meat, or eggs.
2. any herb or green vegetable, as lettuce, used for salads or eaten raw.
3. A preparation of vegetables, as lettuce, celery, water cress, onions, etc., usually dressed with salt, vinegar, oil, and spice, and eaten for giving a relish to other food; as lettuce salad, tomato salad, etc.

So is Potato Salad really salad? The world may never know...