Toboggan

Part of speech: noun (n.)

A kind of sledge made of pliable board, turned up at one or both ends, used for coasting down hills or prepared inclined planes; also, a sleigh or sledge, to be drawn by dogs, or by hand, over soft and deep snow. [Written also tobogan, and tarbogan.]

Part of speech: verb (v.)

To slide down hill over the snow or ice on a toboggan. Barilett.