(computing) A hard plastic or rubbery disc on a computer mouse, rotated by the user in order to scroll the display.

(chiefly historical) A form of execution, among the ancient Europeans, in which the victim is fastened to a wheel and subjected to blows. / The wheel-formed device into which the victim was tied.

A breaking wheel. / (chiefly heraldry) The image of a breaking wheel, or wheel with spikes on it. / A firework that rotates when lit. / (gymnastics) A cartwheel move. / (architecture) A rose window.

(automotive, engineering) Having four wheels.

(poker, slang) The lowest straight flush, ace-2-3-4-5 (all of the same suit).

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.

Having two wheels; birotate.

(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.