Source : Webster's Revised Unabridged Dictionary (1913)

Bounder \Bound"er\ (bound"[~e]r), n.
   One who, or that which, limits; a boundary. --Sir T. Herbert.

Source : WordNet®

bounder
     n 1: someone who is morally reprehensible; "you dirty dog" [syn:
          {cad}, {blackguard}, {dog}, {hound}, {heel}]
     2: an athlete who bounds or leaps (as in basketball) [syn: {leaper},
         {jumper}]