As a noun, heel means: .
the bottom, rear portion of a foot, shoe, boot, or sock that touches the ground; .
the part of the hand just below the wrist; .
something that res…embles the heel of the foot in form or position, such as salami or cheese; .
the crust end of a loaf of bread; .
the end of a violin bow where it's held; .
the part of a golf club head where it meets the shaft; .
the angle of a ship's leaning off the vertical; .
an inconsiderate or untrustworthy person; .
a command to a dog to walk closely behind the person. (MORE)