motor-sled - / ˌməʊtər sled / -
noun
A motorized vehicle with runners and caterpillar tracks, designed for travelling on snow and ice. They have skis at the front to provide directional control. Typically they are driven on open terrain or trails. Popular as recreational tools in North America, where snowmobiling is a big sport in its own right.
\\ Did you see that pisteur caning his motor-sled up to the Col de la Loze?
Also known as:
snow-mobile
sled
ski-doo