bindweedPronunciation: /ˈbʌɪndwiːd/Definition of bindweed noun [mass noun] a twining plant with trumpet-shaped flowers, several kinds of which are invasive weeds. Genera Convolvulus and Calystegia, family Convolvulaceae: several species, in particular the hedge (or larger) bindweed (Calystegia sepium) used in names of twining plants similar to bindweed, e.g. black bindweed. bindweed in other Oxford dictionaries Definition of bindweed in the US English dictionary