Hal'i-but, n.

noun

(hŏl'ĭ-but) (Synop., § 130), n. [D. heilbot, helbut, Ger. heilbutt, heiligebutt, helbutt, hillebutt, hilligbutt.] (Ichth.) A large sea-fish (Hippoglossus vulgaris), of the flat-fish kind, having a dark back and a white belly. It often attains to a very large size, weighing 400 or more pounds, and is used for food.

An engraved illustration of a halibut.
Halibut.