the top edge of a vessel or other container | 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) |
a projection used for strength or for attaching to another object | a circular helm to control the rudder of a vessel |
the outer part of a wheel to which the tire is attached | an instrument of torture that stretches or disjoints or mutilates victims |
(basketball) the hoop from which the net is suspended | 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 |
the shape of a raised edge of a more or less circular object | 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 |