What does flounder mean in cooking?

flounder means: Flatfish with a fine texture, prized for their delicate taste. The most popular are “Fab”, “English Sole,” or “Plaice.” “. (in Cooking Dictionary)

What else does flounder mean?

• The flounder is a large flatfish family that has firm, lean flesh with delicate flavors. The fish is available whole, or as fillets. It can be baked or boiled and poached or steamed, or steamed. The common marketing term for flounder is sole. However, the fish can be prepared in a number of ways with the exception that it can be steamed or poached. (in Cooking Dictionary)