| 1. | a weedy twining vine, Polygonum convolvulus, native to Europe and widely naturalized in North America. |
| 2. | black bryony. |
| a twining Old World vine, Tamus communis, having heart-shaped leaves, small greenish flowers, and scarlet berries. |
black bindweed or black-bind·weed  (blāk'bīnd'wēd')  n. A twining annual vine (Polygonum convolvulus) native to Eurasia but widespread as a weed and having heart-shaped leaves and clusters of small, greenish-white flowers. |