A name for fish of the family Pleuronectidæ, which includes the sole, turbot, plaice, etc.
1710. Lond. Gaz., No. 4742/3. All sorts of flat and fresh Fish.
1837. M. Donovan, Dom. Econ., II. 167. Several flat-fish live many hours out of the water; soles, flounders, and turbot, are commonly seen in the fishmongers shops flouncing off the tables.
1870. Yeats, Nat. Hist. Comm., 57. Turbot, soles, and other so-called flat fish, as well as cod, abound on the sandbanks of the North Sea, especially the central Great Dogger Bank.