prune1
  
  n.
  - a plum preserved by drying and having a black, wrinkled appearance.
 - informal a disagreeable person.
 
 
  Etymology
  ME: from OFr., via L. from Gk prou(m)non ‘plum’.
 
  
    
prune2
  
  v.
  - trim (a tree, shrub, or bush) by cutting away dead or overgrown branches or stems.
 - remove superfluous or unwanted parts from.
 
n.
 an instance of pruning.
 
  Derivative
  
  Etymology
  C15 (in the sense ‘abbreviate’): from OFr. pro(o)ignier, possibly based on L. rotundus ‘round’.