Vulva \Vul"va\, n. [L. vulva, volva, from volvere to roll.]

1. (Anat.) The external parts of the female genital organs; sometimes, the opening between the projecting parts of the external organs.

2. (Zo["o]l.) The orifice of the oviduct of an insect or other invertebrate.

Source: Webster's Revised Unabridged Dictionary (1913)