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)
Origin: 1830–40, Americanism;
bob2 +
sled Related forms bob·sled·der, noun