| halibut | <marine biology> A large, northern, marine flatfish (Hippoglossus vulgaris), of the family Pleuronectidae. It often grows very large, weighing more than three hundred pounds. It is an important food fish. Alternative forms: holibut. Origin: OE. Hali holy + but, butte, flounder; akin to D. Bot, G. Butte; cf. D. Heilbot, G. Heilbutt. So named as being eaten on holidays. See Holy, Holiday. Source: Websters Dictionary (01 Mar 1998) |
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| halibut liver oil | <marine biology> The fixed oil obtained from the fresh or suitably preserved livers of halibut species of the genus Hippoglossus (family Pleuronectidae); a supplementary source of vitamins A and D. (05 Mar 2000) |