The human vagina is an elastic muscular tube about 4 inches (100 mm) long and 1 inch (25 mm) in diameter .The inside of the vagina is usually pink. The penis (plural penises, penes) is an external male sexual organ.
are you seriously looking up the word vagina? and you're on urban dictionary, at least look up "pussy" or something along those lines. you can use a regular dictionary for the word vagina
Someone who I hope walks in right as you're reading this- "Are you seriously loooking up the word vagina on urban dictionary?"