Webster's 1828 Dictionary
CONVOLVULUS
n.[L.] Bindweed, a genus of plants of many species.
Webster's 1913 Dictionary
CONVOLVULUS
Con *vol "vu *lus, n.; pl. L.Convolvuli, E. Convoluluses. Etym: [L.,bindweed, fr. convolvere to roll around. So named from its twining stems.] (Bot. )
Defn: A large genus of plants having monopetalous flowers, including the common bindweed (C. arwensis ), and formerly the morning-glory, but this is now transferred to the genus Ipomæa. The luster of the long convolvuluses That coiled around the stately stems. Tennyson.
New American Oxford Dictionary
convolvulus
con vol vu lus |kənˈvälvyəˌləs, -ˈvôl -kənˈvɑlvjəˌləs | ▶noun ( pl. convolvuluses ) a twining plant with trumpet-shaped flowers, some kinds of which are invasive weeds (see also bindweed ), while others, esp. morning glories, are cultivated for their bright flowers. [Genus Convolvulus, family Convolvulaceae. ] ORIGIN mid 16th cent.: Latin, literally ‘bindweed, ’ from convolvere ‘roll together ’ (see convolve ).
Oxford Dictionary
convolvulus
convolvulus |kənˈvɒlvjʊləs | ▶noun ( pl. convolvuluses ) a twining plant with trumpet-shaped flowers, of which some kinds are invasive weeds (see also bindweed ), and others are cultivated for their bright flowers. ●Genus Convolvulus, family Convolvulaceae. ORIGIN Latin, ‘bindweed ’, from convolvere ‘roll together ’ (see convolve ).