Heel

the bottom of a shoe or boot

the back part of the human foot

someone who is morally reprehensible

one of the crusty ends of a loaf of bread

the lower end of a ship's mast

(golf) the part of the clubhead where it joins the shaft

tilt to one side

follow at the heels of a person

perform with the heels

strike with the heel of the club

put a new heel on