Patty (noun)

1. A small, flat cake of minced meat or vegetable mixture, often served in a bun as a hamburger.
2. A small, flattened piece of food such as meat or fish, often breaded and fried.

Origin:

From middle english pety, from old french petit "small".

Examples:

1. I'll have a cheeseburger with lettuce, tomato and a patty.
2. I made some beef patties for dinner tonight.
3. The veggie patty was a nice addition to my salad.
4. I love a good salmon patty.
5. I am going to make chicken patties for lunch.