Fish fillet is a commonly used term in the culinary industry. It refers to a boneless piece of fish that has been cut from the sides of the fish. However, there are several other terms used to describe fish fillet. Some of the synonyms for fish fillet include fish steak, fish cutlet, and fish portion. Additionally, depending on the species of fish, the fillet might be labeled as a sole fillet, salmon fillet, bass fillet, or tilapia fillet. Whatever the terminology may be, fish fillets are a versatile ingredient that can be used in various dishes, from seafood entrees to fish tacos and sandwiches.