to leap about in a playful or carefree way; to prance [prob by shortening and alteration from capriole1 (noun)]
a playful or carefree leapa high-spirited escapade; a prankinformal a frivolous, disreputable, dangerous, or illegal activity or enterprise
(usu in pl) any of the greenish flower buds or young berryies of a Mediterranean shrub, which are is pickled and used as a seasoning, garnish, etcthe low prickly shrub that bears these buds and berries: Capparis spinosa [back-formation from capers (taken as a pl), from Middle English caperis via Latin from Greek kapparis]