vulva Syllabification: (vul·va)Pronunciation: /ˈvəlvə/Definition of vulva noun Anatomy the female external genitals. Zoology the external opening of the vagina or reproductive tract in a female mammal or nematode. Derivatives vulval adjective vulvar adjective Origin: late Middle English: from Latin, literally 'womb'vulva in other Oxford dictionaries Definition of vulva in the British & World English dictionary