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A vehicle for gliding downhill over snow, consisting of two skis one behind the other on a metal frame, steering handlebars connected to the shorter forward ski, and a low seat attached to the longer rear ski for the rider who wears small skis for balance. Also called snowbike.
(Skiing) a vehicle made of two short skis, the forward one having a steering handle and the rear one supporting a low seat, for gliding down snow slopes
[C20: from ski + bob2. See bobsleigh]
a bicyclelike sport vehicle, with a fixed rear ski and pivoting front ski, for riding downhill over snow.