pulk
n.— «Not such an easy feat when you are moving forward on skis pulling a sled—or pulk, as it is called—with 140 pounds of weight to simulate all the food and equipment that must travel with each polar explorer.» —“Lawyer learns to keep cool in the deep freeze” by Kathryn Leger Gazette (Montreal, Canada) Apr. 13, 2007. (source: Double-Tongued Dictionary)