1. A shrub or shrubby tree of the genus Rhamnus; fruits are source of yellow dyes or pigments
   "The buckthorn berries were used to create a vibrant yellow dye"
    
2. Any shrub or small tree of the genus Bumelia
   "Buckthorn berries are an important food source for many bird species"
    
3. An Old World plantain with long narrow ribbed leaves widely established in temperate regions
   "buckthorn is a common lawn weed";
   - English plantain, narrow-leaved plantain, ribgrass, ribwort, ripple-grass, Plantago lanceolata

Derived forms: buckthorns

Type of: bush, plantain, shrub

Part of: Bumelia, genus Bumelia, genus Rhamnus, Rhamnus

Encyclopedia: Buckthorn