1. In dysaesthetic vulvodynia: Spontaneous, diffuse pain in the vulva of a (speculatively) neurological origin or of a neuralgic nature. (Hence also called pudendal neuralgia, as the pudendal nerve may be involved). Intercourse may or may not be painful.
2. As an overall term for any kind of vulvar pain. Eg. Vulvar vestibulitis is a subtype of vulvodynia, where there appears to be redness or focal areas of inflammation in the vulvar vestibule.