What does patty mean in cooking?

patty means: A round, thin piece of food such as a hamburger patt or peppermint patt. (in Cooking Dictionary)

What else does patty mean?

• A small flat or round, oval-shaped, or flattened cake made of food such as fish cake or potato cake. It can also be served cold. (in Cooking Dictionary)
• Small, round, and flattened cakes of food made with ingredients previously chopped or minced. (in Merlin Dictionary)
• The patty shell. (in Merlin Dictionary)
• One small tart; one pasty. (in Merlin Dictionary)