Bindweed \Bind"weed`\, n. (Bot.) A plant of the genus {Convolvulus}; as, greater bindweed ({C. Sepium}); lesser bindweed ({C. arvensis}); the white, the blue, the Syrian, bindweed. The black bryony, or {Tamus}, is called {black bindweed}, and the {Smilax aspera}, {rough bindweed}. The fragile bindweed bells and bryony rings. --Tennyson.