convolvulus
noun
con·vol·vu·lus kən-ˈväl-vyə-ləs 
-ˈvȯl-,
also -ˈväv-yə-,
or -ˈvȯv-yə-
plural convolvuluses or convolvuli kən-ˈväl-vyə-ˌlī
-ˌlē,
-ˈvȯl-,
also -ˈväv-yə-,
or -ˈvȯv-yə-
: any of a genus (Convolvulus) of erect, trailing, or twining herbs and shrubs of the morning-glory family
Word History
Etymology
borrowed from New Latin, genus name, going back to Latin convolvolus "bindweed (Calystegia sepium or a related species)," from convolvere "to roll round or up, coil, twist, wrap round" + -olus, noun suffix, usually with diminutive value — more at convolve
First Known Use
1548, in the meaning defined above
Medical Definition
convolvulus
noun
con·vol·vu·lus
-ˈväl-vyə-ləs, -ˈvȯl- also -ˈväv-yə-, -ˈvȯv-yə-
1
capitalized : a genus of erect trailing or twining herbs and shrubs (family Convolvulaceae) chiefly of temperate regions
2
plural convolvuluses or convolvuli -ˌlī, -ˌlē : a plant of the genus Convolvulus
: a plant of the genus Convolvulus