A sudden and unexpected or fantastic motion; a caper (from same etymology, see below); a gambol; a prank, a trick.
A piece of music, usually fairly free in form and of a lively character.
A type of landscape painting that places particular works of architecture in an unusual setting.
A fantastical thing or work.
A movement in dressage in which the horse makes a series of jumps on the hind legs with the forelegs in the air.