Nouns

(n)buckthorna shrub or shrubby tree of the genus Rhamnus; fruits are source of yellow dyes or pigments
(n)buckthornany shrub or small tree of the genus Bumelia
(n)English plantain, narrow-leaved plantain, ribgrass, ribwort, ripple-grass, buckthorn, Plantago lanceolataan Old World plantain with long narrow ribbed leaves widely established in temperate regions