noun, plural (especially collectively) whitefish (especially referring to two or more kinds or species) whitefishes.
any of several fishes
of the family Coregonidae, inhabiting northern waters of North America and Eurasia, similar to the trout but having a smaller mouth and larger scales. Compare lake whitefish
, round whitefish
a marine food fish
of California, Caulolatilus princeps.
any of various silvery fishes
of the minnow or carp family.
the beluga, Delphinapterus leucas.
Origin: 1425–75; late Middle English;