a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion | 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) |
equipment consisting of miscellaneous articles needed for a particular operation or sport etc. | a circular helm to control the rudder of a vessel |
wheelwork consisting of a connected set of rotating gears by which force is transmitted or motion or torque is changed | an instrument of torture that stretches or disjoints or mutilates victims |
a mechanism for transmitting motion for some specific purpose (as the steering gear of a vehicle) | game equipment consisting of a wheel with slots that is used for gambling; the wheel rotates horizontally and players bet on which slot the roulette ball will stop in |
| a handwheel that is used for steering |
| a wheeled vehicle that has two wheels and is moved by foot pedals |
| forces that provide energy and direction |