capriccio

/kəˈpɹiːt͡ʃoʊ/noun
High School
1

A sudden and unexpected or fantastic motion; a caper (from same etymology, see below); a gambol; a prank, a trick.

2

A fantastical thing or work.

3

A type of Renaissance landscape painting that places particular works of architecture in an unusual and often fictional setting.

4

A piece of music, usually fairly free in form and of a lively character.