-ləs noun
Etymology: New Latin, from Latin, bindweed, from convolvere to enfold, enwrap — more at convolve
1. capitalized : a genus of erect trailing or twining herbs and shrubs (family Convolvulaceae) having the style undivided or merely cleft at its apex and with two linear stigmas — see bindweed , morning glory
2. plural convolvuluses -ləsə̇z or convolvu·li -ˌlī, -ˌlē : a plant of the genus Convolvulus