- a type of fish - Edible flatfish - European flatfish - Food fish - Type of fish - A European food fish (Pleuronectes platessa), allied to the
flounder, and growing to the weight of eight or ten pounds or more. - A large American flounder (Paralichthys dentatus; called
also brail, puckermouth, and summer flounder. The name is sometimes
applied to other allied species.