noun — a wheeled vehicle that has two wheels and is moved by foot pedals
noun — an instrument of torture that stretches or disjoints or mutilates victims
noun — game equipment consisting of a wheel with slots that is used for gambling
noun — a handwheel that is used for steering
noun — a simple machine consisting of a circular frame with spokes (or a solid disc) that can rotate on a shaft or axle (as in vehicles or other machines)
noun — a circular helm to control the rudder of a vessel