a species of flatfish [...] native to marine or brackish waters of the North Atlantic, Baltic Sea and the Mediterranean Sea.
[...]
[It] is highly prized as a food fish for its delicate flavour, and is also known as brat, breet, britt or butt. It is a valuable commercial species, acquired through aquaculture and trawling.
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Percy: Yes, all right, I admit it, I admit it, I'm terrified! You see, Baldrick, when I was a baby, I was savaged by a turbot. Oh, Baldrick, you can't think of a plan to get me out of this, can you?
BBC. Blackadder, season 2: Potato
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Stepan Arkadyevitch was absorbed during the drive in composing the menu of the dinner.
"You like turbot, don’t you?" he said to Levin as they were arriving.
"Eh?" responded Levin. "Turbot? Yes, I’m awfully fond of turbot."