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Definition of Helleborus
1. Noun. A genus of Helleborus.
Exact synonyms: Genus Helleborus
Generic synonyms: Magnoliid Dicot Genus
Group relationships: Buttercup Family, Crowfoot Family, Family Ranunculaceae, Ranunculaceae
Member holonyms: Hellebore
Generic synonyms: Magnoliid Dicot Genus
Group relationships: Buttercup Family, Crowfoot Family, Family Ranunculaceae, Ranunculaceae
Member holonyms: Hellebore
Medical Definition of Helleborus
1. Black hellebore, the dried rhizome and roots of Helleborus niger (family Ranunculaceae); used as a cardiac and arterial tonic, diuretic, and cathartic. Origin: G. Helleboros (05 Mar 2000)