noun any fish of the family pleuronectidae; ·esp., the winter flounder (pleuronectes americanus). the flatfishes have the body flattened, swim on the side, and have eyes on one side, as the flounder, turbot, and halibut. ·see flounder.
FLATFISH
Meaning of FLATFISH in English
Webster English vocab. Английский словарь Webster. 2012