A small metal wheel with evenly spaced points or spikes used for making a series of small holes in soft material such as fabric, leather, wood or paper, so as to leave an indelible but hardly visible mark.

(idiomatic) A person or thing that serves no useful purpose. / (idiomatic) An unwanted third party accompanying two people on a date.

(ceramics) A wheel or disc used to throw pots, turned by kicking or pushing a heavy stone or concrete base with the foot.

(mythology, philosophy) The wheel of Fortune. / (by extension) A wheel of fortune; a big six wheel. / A television game show where word puzzles are solved by filling in the missing letters.

A device locked to the wheel of a motor car to prevent it from being driven; normally used to enforce payment of a traffic violation fine

On a steam locomotive, an unpowered wheel located in front of the driving wheels.

(rail transport) On a steam locomotive, a powered wheel driven by the locomotive's pistons or turbine.

plural of click wheel

A small, rotating circular table of variable speed used in the manufacture of ceramics.

(rail transport) On a steam locomotive, an unpowered wheel or axle located behind the driving wheels.