vulva /ˈvʌlvə/ noun2 •The external female genitalia of humans and other placental mammals, which includes the clitoris, labia, and vulval vestibule/vulvar opening.The wedge-shaped character was the triangle, the archaic Paleolithic sign of the vulva; the pubic triangle was at the end of the phallic stylus. — 1981 •A protrusion on the side of a nematode. formsvulvae · vulvas