TOBOGGAN

I. noun Etymology: Canadian French tobogan, of Algonquian origin; akin to Micmac tobâgun drag made of skin Date: circa 1820 a long flat-bottomed light sled made usually of thin boards curved up at one end with usually low handrails at the sides, a downward course or a sharp decline, stocking cap , II. intransitive verb Date: 1846 to coast on or as if on a ~, to decline suddenly and sharply, ~er noun ~ist noun