(circus) A hollow wheel larger than a person, attached to and suspended from an axle, and inside of which an artist performs.

plural of prayer wheel

A gear wheel that revolves around the wheel with which it meshes, in an epicyclic train.

plural of flutter wheel

A water wheel placed below a fall or in a chute where rapidly moving water strikes the tips of the floats.

plural of planet wheel

prayer wheel

In water-powered mills, a horizontal water wheel used to power a grinding stone set in a tub; usually in the form of a short cylinder turned by the impact of one or more streams of water striking against vanes attached radially to the wheel.

plural of tub wheel

A type of hubcap or inner wheel ornament that spins independently inside of a wheel itself when the vehicle is in motion, and continues to spin once the vehicle has come to a stop.