bobsleigh       
noun UK uk/ˈbɒb.sleɪ/ us/ˈbɑːb.sleɪ/
 [ C ] (US bobsled)大雪橇 
a small vehicle with long metal blades under it, built for racing down tracks covered with ice
  We watched athletes careering down an icy track on bobsleighs.
 Synonym: bob
 - More examples
- Skiing and snowboarding lessons are offered and bobsleighs can be hired.
- The road became a bit like a bobsleigh track.
- In a bobsleigh team, whether you are a braker or a driver you need ability and bulk.