ˈrübəs noun
Usage: capitalized
Etymology: New Latin, from Latin, blackberry
: a genus of often prickly shrubs (family Rosaceae) having 3- to 7-foliolate or simple lobed leaves, white or pink flowers with a flat persistent calyx bearing the numerous stamens, and a mass of carpels ripening into an aggregate fruit composed of many drupelets — see blackberry , dewberry , raspberry