whitefish Definition

any of various freshwater salmonid food fishes (especially of genera Coregonus and Prosopium) that resemble the salmon and trout in having an adipose dorsal fin but have a smaller, often toothless mouth and that inhabit cold lakes and streams of the northern hemisphere

any of various fishes (such as a menhaden or a whiting) resembling the true whitefishes

any of various market fishes with white flesh that is not oily

inlet of Lake Superior between Ontario and the eastern part of Michigan's Upper Peninsula