whitefish

Short definition from Wiktionary

Noun

1. 1
   Any of several North American freshwater fish, of the genus Coregonus, used as food.
2. 2
   Any of several other fish, such as whiting (Merlangius merlangus) or menhaden (Brevoortia spp. and Ethmidium spp.).
3. 3
   Any of several species of demersal fish with fins, particularly cod, whiting, and haddock, as opposed to the oily or pelagic fishes.
4. 4
   The beluga (both the sturgeon and the whale)

Verb

1. 1
   To fish for whitefish.