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The Collaborative International Dictionary
togue

Namaycush \Nam"ay*cush\, n. [Indian name.] (Zool.) A large North American lake trout ( Salvelinus namaycush). It is usually spotted with red, and sometimes weighs over forty pounds. Called also Mackinaw trout, lake trout, lake salmon, salmon trout, togue, and tuladi.

Wiktionary
togue

n. lake trout, ''Salvelinus namaycush'', a freshwater char of northern North America.