/ kənˈvɒlvjələs; NAmE -ˈvɑːlv-/ noun
[ C , U ] a wild plant with triangular leaves and flowers that are shaped like trumpets . It climbs up walls, fences, etc. and twists itself around other plants.
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WORD ORIGIN
Latin , bindweed , from convolvere roll together, from con- together + volvere roll.