convolvulus noun2 •Any of several plants, of the genus Convolvulus, found in temperate climates, having small trumpet-shaped flowers.In this painting he uses the lovers for his narrative and makes his symbolic points with the convolvulus, signifying entanglements, climbing up the steps. — 1994 •A species of hawkmoth, Agrius convolvuli.Already the convolvulus moth was spinning over the flowers. — 1922 formsconvolvuli · convolvuluses