- A circular object that revolves on an axle and forms part of a machine
- A circular object that revolves on an axle and is fixed below a vehicle or other object to enable it to move easily over the ground
- Used in reference to the cycle of a specified condition or set of events
- (wheel) change directions as if revolving on a pivot; "They wheeled their horses around and left"
- (wheel) 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)
- steering wheel: a handwheel that is used for steering