wheel
circular item that rotates about an axial bearing; one of the six simple machines
cogwheel
rotating wheel having teeth which mesh with another cogwheel or toothed part, used to transmit torque, convert rotation to translation or rarely other purposes
iPod click wheel
navigation component of several iPod models
magic wheel
perpetual motion machine reportely built in 8th-century in Bavaria, Europe
wagon wheel
wheel of a wagon, made by a wheelwright
prayer wheel
devotional tool in Buddhism
flywheel
mechanical device designed to store angular kinetic energy in a rotating mass
train wheel
type of wheel specially designed for use on rail tracks
motorcycle wheel
component of motorised two-wheelers
hamster wheel
machine for rodent exercise and play
alloy wheel
wheel made from an alloy of aluminium or magnesium
cat exercise wheel
large wheel
water wheel
machine for harnessing energy from the flow of water
Ferris wheel
amusement ride
car wheel
part of a car propulsion system
scoop wheel
machine to lift water from one level to another
disc wheel
wheel without spokes
Ab wheel
type of product; exercise & fitnes
Uni Wheel
wheel that incorporates drive train elements
training wheels
additional wheel mounted parallel to the rear wheel of a bicycle to assist learners until they have developed balance on a bicycle
idler-wheel
wheel which serves only to transmit rotation from one shaft to another
caster
type of wheel mounted on the bottom of an object
wooden wheel
type of wheel
dreadnaught wheel
wheel with articulated rails attached
sheave
grooved wheel used for holding a belt, wire or rope; may have multiple grooves on a single wheel rotating parallelly; may be incorporated into a pulley; does not include an axle or a surrounding frame
spare wheel
additional wheel carried in a motor vehicle as a replacement for one that goes flat, has a blowout, or other emergency
bicycle wheel
wheel designed for a bicycle
road wheel
tracked vehicle wheel supporting the weight of the vehicle
omni wheel
wheel that can move along multiple axes
cast wheel
wheel that has been produced by casting