heelpiece

Etymology

From heel + piece.

heelpiece means A piece of armour to protect the heels. Lexicurio rates it Sui generis — a strength score of 87 out of 100.

noun

A piece of armour to protect the heels.“Courts are to be the theatres of your wars, where you should be always as completely armed , and even with the addition of a heelpiece.”
A piece of leather fixed on the heel of a shoe.
The end.“the heel-piece of his book”