a tractor-drawn train of sleds and cabooses (def. 5), the principal means of transporting freight, supplies, etc. in the Canadian North in winter.
See also: caboose (def. 5) cat-swing cat-train
- 1941  Great amazement was shown by the Indians when the Armstrong and Low swing from Flin Flon arrived here [Lac du Brochet, Man.] in March.
- 1952  Six drivers, two brakemen and a cook make up the crew of a three-tractor "swing" which may be hauling eight or nine sleighs carrying some 100 tons of supplies.
- 1957  For the last three years the company has sent its swings over ice-covered lakes and snow-covered portages in temperatures often near 50 below zero.
- 1958  The train is called a "swing"; each swing consists of three or more tractors, each dragging four or five sleighs. One of the sleighs is used as a caboose for eating and sleeping.
3 n. — West
a cowboy who rides well out to the side of a herd to keep the animals from spreading.
See also: swing-out
- 1961  "Weasel Tail, I says to him, you . . . herd 'em with a hundred drags behaind and two hundred swings to the side. . . ."