An oyster dish is a type of food that is made by stewing oysters in a liquid. The term 'oyster dish' can be used to describe any dish that contains oysters, such as an oyster STEW or an oyster chowder. Oysters are a type of mollusk that are found in coastal areas and are often eaten raw or cooked. Oyster dishes are popular in many cultures and can be served as an appetizer, main course, or side dish.