Halibut (noun)

1. A large marine flatfish that is a popular game fish and a commercial food fish.
2. A flatfish of the genus Hippoglossus, which live in the North Atlantic and North Pacific.

Origin:

Old english hælebut, from hæle "whole" + butta "flatfish".

Examples:

1. I caught a big halibut while fishing in Alaska.
2. Halibut is a popular fish to serve at a dinner party.
3. The restaurant is known for their halibut dishes.
4. Halibut is a lean fish with a firm, white flesh.
5. The halibut was so large it took two people to carry it.