heel (http://definr.com/heel)

     n 1: the bottom of a shoe or boot; the back part of a shoe or
          boot that touches the ground
     2: the back part of the human foot
     3: someone who is morally reprehensible; "you dirty dog" [syn:
        cad, bounder, blackguard, dog, hound]
     4: the piece of leather that fits the heel [syn: counter]
     v 1: follow at the heels of a person
     2: perform with the heels, of a dance
     3: strike with the heel of the club, of golf balls
     4: put a new heel on; "heel shoes" [syn: reheel]