1. Silvery herring-like freshwater food fish of cold lakes of the Northern Hemisphere
   "Smoked whitefish is a popular delicacy in the Great Lakes region"
    
2. Flesh of salmon-like or trout-like cold-water fish of cold lakes of the Northern Hemisphere
   "The local speciality was smoked whitefish served with crackers"
    
3. [Brit] Any market fish — edible saltwater fish or shellfish — except herring
   "The fish market had a wide variety of whitefish on display"

Derived forms: whitefishes

Type of: food fish, freshwater fish, malacopterygian, seafood, soft-finned fish

Part of: Coregonidae, family Coregonidae

Encyclopedia: Whitefish, Ontario