Halibut
Pronunciation : Hal"i*but (;277)
Part of Speech : n.
Etymology : [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.] (Zo?l.)
Definition : Defn: A large, northern, marine flatfish (Hippoglossus vulgaris), of the family Pleuronectid?. It often grows very large, weighing more than three hundred pounds. It is an important food fish. [Written also holibut.]
Source : Webster's Unabridged Dictionary, 1913