flounder2
Pronunciation: /ˈflaʊndə/
noun
- a small flatfish that typically occurs in shallow coastal water.
- Families Pleuronectidae and Bothidae: several species, in particular the edible Platichthys flesus of European waters
- (flounders) a collective term for flatfishes other than soles. See flatfish.

Origin:
Middle English: from Old French flondre, probably of Scandinavian origin and related to Danish flynder