bobsled

[bob-sled] /ˈbɒbˌslɛd/
noun
1.
a sled having two pairs of runners, a brake, and a steering wheel or other mechanism that enables the front rider to direct the sled down a steeply banked run or chute.
2.
a sled formed of two short sleds coupled one behind the other.
3.
either of the sleds thus coupled.
verb (used without object), bobsledded, bobsledding.
4.
to ride on a bobsled.
Origin
1830-40, Americanism; bob2 + sled
Related forms
bobsledder, noun
Examples from the web for bobsled
  • The fireman waves his hand to a country school teacher on a bobsled.
  • Low-tech solutions such as the bobsled also might be refined in this research.
Word Origin and History for bobsled
n.

1839, from bob (n.2) + sled (n.). So called because it is a short type.