Akademik

bicycle
1. noun
a) A vehicle that has two wheels, one behind the other, a steering handle, and a saddle seat or seats and is usually propelled by the action of a rider’s feet upon pedals.
b) A traveling block used on a cable in skidding logs.
Syn: bike, cycle, push bike, pushbike, velocipede
2. verb
To travel or exercise using a bicycle.

Wikipedia foundation.