caper1
  
  v.
 skip or dance about in a lively or playful way.
n.
  - a playful skipping movement.
- informal an illicit or ridiculous activity or escapade.
Phrase
  
    
      - cut a caper
 make a playful, skipping movement.
 
  Derivative
  
  Etymology
  C16: abbrev. of capriole.
 
  
    
caper2
  
  n.
  - a cooked and pickled flower bud of a bramble-like southern European shrub, used in pickles and sauces.
- the shrub from which capers are taken. 
[Capparis spinosa.]
Etymology
  ME: from Fr. câpres or L. capparis, from Gk kapparis; later interpreted as pl.