Tur·bot n.  Zool. (a) A large European flounder (Rhombus maximus) highly esteemed as a food fish. It often weighs from thirty to forty pounds.  Its color on the upper side is brownish with small roundish tubercles scattered over the surface.  The lower, or blind, side is white.  Called also bannock fluke. (b) Any one of numerous species of flounders more or less related to the true turbots, as the American plaice, or summer flounder (see Flounder), the halibut, and the diamond flounder (Hypsopsetta guttulata) of California. (c) The filefish; -- so called in Bermuda. (d) The trigger fish.
 Spotted turbot. See Windowpane.
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 Win·dow·pane n.
 1. Arch. See Pane, n., (3) b.  [In this sense, written also window pane.]
 2. Zool. A thin, spotted American turbot (Pleuronectes maculatus) remarkable for its translucency. It is not valued as a food fish. Called also spotted turbot, daylight, spotted sand flounder, and water flounder.
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