ˈramnəs noun
Usage: capitalized
Etymology: New Latin, from Greek rhamnos buckthorn — more at vervain
: a genus (the type of the family Rhamnaceae) of trees and shrubs having strongly pinnately veined leaves, small perfect or polygamous flowers with the ovary free from the disk, and a fruit that is an oblong or globular drupe with two to four stones — compare rhamnales ; see buckthorn , lokao