flounder(redirected from flounderer)
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Related to flounderer: philanderer
members of the families Bothidae and Pleuronectidae; flatfish with eyes on the same side of the head.
flounder ulcer disease
progressive and sometimes fatal ulceration in greenback flounder and probably other species of flatfish. Caused by Aeromonas salmonicida. See also atypical aeromonassalmonicida.