(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 water wheel operated by the ebb and flow of the tide.

A wheel, propelled by running or falling water, used to power machinery. / A wheel with buckets used to raise water.

The wheel of a wagon, including railway wagons.

(idiomatic) To do work unnecessarily when it has already been done satisfactorily by others; to attempt to devise a solution to a problem when a solution already exists.

A service that delivers food to those unable to cook for themselves, such as the elderly and people with disabilities.

The foods delivered by this service.

(US) Alternative spelling of colour wheel

(British spelling) A planar circular chart in which related colours are adjacent, and complementary colors are opposite.

(idiomatic) A situation that is tough, aggressive, lawless, and wild.