French heel

noun2

1. •
   A curved heel on a woman's shoe that is pitched forward so that the weight of the heel falls on the plantar arch.

   • The French heel displaces the posterior support, and both piers of the double arch strike at once, which is fatal to grace of motion. — 1882
2. •
   A shaped heel with narrow reinforcement on a sock or stocking.

   • Grey marl and ribbed, with a cleverly turned foot she called a French heel that made them hold their own shape, like cartoon socks. — 2010