1 in the Atlantic Provinces, a variety of trout that spawns in fresh-water rivers.
c1963  After you pass a body of water known as Fullerton's Marsh, a good spot for sea trout, you arrive at Mount Herbert
1830  It is remarkable for the immense shoals of trout (usually called sea trout) which frequent it in spring and autumn.
1872  Sea trout frequent more or less all the rivers in North America. These fish are not the same species as the sea trout of the English and Irish coast; they are shorter and thicker fish, more spotted on the back, and with a yellowish tinge on the belly.
1958  Sea trout are beginning to put in an appearance in Newfoundland rivers.