Definition of "niddah" []

• Someone who has started menstruation. (noun)

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• "She begins with a discussion of the term niddah, which she claims held ritual purity valence in Leviticus 15, and referred to sexual prohibitions in Leviticus 18 and 20, as well as most commonly in rabbinic literature."
• "The term niddah is used in Jewish tradition in relation to menstruation."
• "The use of the term niddah to describe the impurity of the land due to sin is found in Lamentations 1: 8 and Ezra 9: 11 and as an antonym of holiness in 2 Chronicles 29: 5."