heel

noun

1.
the bottom of a shoe or boot; the back part of a shoe or boot that touches the ground and provides elevation
Derived from:
heel
2.
the back part of the human foot
Derived from:
heel
4.
one of the crusty ends of a loaf of bread
5.
the lower end of a ship's mast
6.
(golf) the part of the clubhead where it joins the shaft
Derived from:
heel