Definition of convolvulus
noun (plural convolvuluses)
- a twining plant with trumpet-shaped flowers, some kinds of which are invasive weeds (see also bindweed), while others, especially morning glories, are cultivated for their bright flowers.
- Genus Convolvulus, family Convolvulaceae
mid 16th century: Latin, literally 'bindweed', from convolvere 'roll together' (see convolve)