Definition of buckthorn

Overview of noun buckthorn

The noun buckthorn has 3 senses? (no senses from tagged texts)

1. buckthorn

(a shrub or shrubby tree of the genus Rhamnus; fruits are source of yellow dyes or pigments)

2. buckthorn

(any shrub or small tree of the genus Bumelia)

3. English plantain, narrow-leaved plantain, ribgrass, ribwort, ripple-grass, buckthorn, Plantago lanceolata

(an Old World plantain with long narrow ribbed leaves widely established in temperate regions)