DCHP-1 Online
tractor swing North 
n. 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-train
- 1959 . . . he was at Churchill, waiting for an Easter Sunday snowstorm to stop, so he could fly north to oversee his tractor swing on the ice of Hudson Bay.
- 1959 . . . he was at Churchill, waiting for an Easter Sunday snowstorm to stop, so he could fly north to oversee his tractor swing on the ice of Hudson Bay.