vamp in French

The top part of a boot or shoe, above the sole and welt and in front of the ankle seam, that covers the instep and toes; the front part of an upper; the analogous part of a stocking. [from c. 1225]

A flirtatious, seductive woman, especially one who exploits men by using their sexual desire for her; femme fatale. [from c. 1915]