Bry·o·ny n. Bot. The common name of several cucurbitaceous plants of the genus Bryonia. The root of Bryonia alba (rough bryony or white bryony) and of Bryonia dioica is a strong, irritating cathartic.
Black bryony, a plant (Tamus communis) so named from its dark glossy leaves and black root; black bindweed.
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white bryony
n : white-flowered vine having thick roots and bearing small
black berries; Europe to Iran [syn: devil's turnip, Bryonia
alba]