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black bindweed

noun
  1. a weedy twining vine, Polygonum convolvulus, native to Europe and widely naturalized in North America.
  2. black bryony.
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Origin of black bindweed

An Americanism dating back to 1835–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for black bindweed

black bindweed

noun
  1. a twining polygonaceous European plant, Polygonum convolvulus, with heart-shaped leaves and triangular black seed pods
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012