noun
A quaint and fanciful idea; a whim; playfully odd behaviour.
An impulsive, illogical or capricious character.
(mining, countable) A whim (capstan or vertical drum).
(countable) A jigsaw puzzle piece that has been cut into a recognizable shape, as if on a whim; often the shape is representative of the theme of the image used for the puzzle.
(glassblowing, countable) The support that protects a finished piece as it is detached from a punty.
verb
(transitive) To fill with whimsies or whims; to make fantastic; to craze.
adjective
Synonym of whimsical.