\Bull" trout`\ (Zo["o]l.)
(a) In England, a large salmon trout of several species, as
    {Salmo trutta} and {S. Cambricus}, which ascend rivers;
    -- called also {sea trout}.
(b) {Salvelinus malma} of California and Oregon; -- called
    also {Dolly Varden trout} and {red-spotted trout}.
(c) The huso or salmon of the Danube.