Source : Webster's Revised Unabridged Dictionary (1913)

Foreskin \Fore"skin\, n. (Anat.)
   The fold of skin which covers the glans of the penis; the
   prepuce.

Source : WordNet®

foreskin
     n 1: a fold of skin covering the tip of the clitoris [syn: {prepuce}]
     2: a fold of skin covering the tip of the penis [syn: {prepuce}]