In Jewish ritual law, a zavah (Hebrew ???, lit. "one who[se body] flows") is a woman who has had vaginal blood discharges not during the usually anticipated menstrual cycle, and thus entered a state of ritual impurity. The equivalent impurity that can be contracted by males, by experiencing an abnormal discharge from their genitals, is known as the impurity of a zav.

In the realm of tumah and taharah,