capriccio

[kuh-pree-chee-oh; Italian kah-preet-chaw] /kəˈpri tʃiˌoʊ; Italian kɑˈprit tʃɔ/
noun, plural capriccios, capricci
[kuh-pree-chee; Italian kah-preet-chee] /kəˈpri tʃi; Italian kɑˈprit tʃi/ (Show IPA)
1.
Music. a composition in a free, irregular style.
2.
a caper; prank.
3.
a whim; caprice.
Origin
1595-1605; < Italian, perhaps a shortening of caporiccio head with bristling hair
British Dictionary definitions for capriccio

capriccio

/kəˈprɪtʃɪˌəʊ/
noun (pl) -priccios, -pricci (-ˈpriːtʃɪ), -prices
1.
(music) a lively piece composed freely and without adhering to the rules for any specific musical form
Word Origin
C17: from Italian: caprice
Word Origin and History for capriccio
n.

1690s as a term in music for a kind of free composition, from Italian capriccio "sudden start or motion" (see caprice). Earlier it meant "prank, trick" (1660s); "caprice" (c.1600).