Noun | 1. | ![]() genus Rhamnus, Rhamnus - type genus of the Rhamnaceae: buckthorns buckthorn berry, yellow berry - fruit of various buckthorns yielding dyes or pigments bearberry, bearwood, cascara buckthorn, chittamwood, chittimwood, Rhamnus purshianus - shrubby tree of the Pacific coast of the United States; yields cascara sagrada Carolina buckthorn, indian cherry, Rhamnus carolinianus - deciduous shrub of eastern and central United States having black berrylike fruit; golden-yellow in autumn California buckthorn, California coffee, coffeeberry, Rhamnus californicus - evergreen shrub of western United States bearing small red or black fruits redberry, red-berry, Rhamnus croceus - small spiny evergreen shrub of western United States and Mexico with minute flowers and bright red berries |
2. | buckthorn - any shrub or small tree of the genus Bumelia Bumelia, genus Bumelia - deciduous or evergreen American shrubs small trees having very hard wood and milky latex Bumelia lycioides, shittim, southern buckthorn, shittimwood, mock orange - shrubby thorny deciduous tree of southeastern United States with white flowers and small black drupaceous fruit black haw, Bumelia lanuginosa, false buckthorn, shittimwood, chittamwood, chittimwood - deciduous tree of southeastern United States and Mexico | |
3. | ![]() plantain - any of numerous plants of the genus Plantago; mostly small roadside or dooryard weeds with elliptic leaves and small spikes of very small flowers; seeds of some used medicinally |