1908  The non-arrival of our trackers was serious, as we had two scows and a York boat, with a party all told of fifty souls, and only thirteen available trackers to start with.
1954  A lone tracker must attach his line with great care as to the angle of tension when pulling, for that is his method of steering.
2n.
a man on snowshoes who runs ahead of a dog team making a passable track in new or deep snow.