Heel

1. Part of the foot on the backside where it becomes the leg.
2. The part of a shoe's sole which supports the foot's heel.
3. On a long firearm, the back upper part of the stock.
4. The last or lowest part of anything; as, the heel of a mast or the heel of a vessel.
5. A crust end-piece of a loaf of bread.
6. The base of a bun sliced in half lengthwise.
7. A contemptible, inconsiderate or thoughtless person.
8. The tilt of a ship to one side; also, angle of heel, the degree of such a tilt.
9. To follow at somebody's heels; to chase closely.