The outer covering of an animal's penis. It serves as protection for the penis. It can be found on most mammals save for humans and apes. In other creatures a genital slit serves the same purpose (dolphins, whales, reptiles). The sheath can also be referred to as the prepuce or foreskin, all terms are synonomous.

When you eat dirt for the first time and leave your family to build a shack in the woods

the cover for a sword save the hilt and guard that prevents you or others from accidentally getting cut

v. To have sexual intercourse, but connoting female empowerment in the act.

n. A vagina

adj: Describes a particularly shiny and soft head of hair.

How my sister's friend refered to her horse's penis foreskin.