Definition of whitefishes:
(n) :
Any of several North American freshwater fish, of the genus Coregonus, used as food.
(n) :
Any of several other fish, such as whiting (Merlangius merlangus) or menhaden (Brevoortia spp. and Ethmidium spp.).
(n) :
(cooking, fishing) Any of several species of demersal fish with fins, particularly cod, whiting, and haddock, as opposed to the oily or pelagic fishes.
(v) :
To fish for whitefish.
(n) :
A beluga (both the sturgeon and the whale).
(n) :
A lesser queenfish (Scomberoides lysan)