'Cusk' definitions:

Definition of 'cusk'

noun

The lean flesh of a cod-like fish of North Atlantic waters

noun

Large edible marine fish of northern coastal waters; related to cod [syn: cusk, torsk, Brosme brosme]

noun

Elongate freshwater cod of northern Europe and Asia and North America having barbels around its mouth [syn: burbot, eelpout, ling, cusk, Lota lota]

From: GCIDE

Cusk \Cusk\ (k[u^]sk), n. (Zool.) A large, edible, marine fish (Brosmius brosme), allied to the cod, common on the northern coasts of Europe and America; -- called also tusk and torsk. [1913 Webster]