Buckthorn

n.

1.

(Bot.) A genus (Rhamnus) of shrubs or trees. The shorter branches of some species terminate in long spines or thorns. See Rhamnus. Sea buckthorn a plant of the genus Hippophaë.

Noun	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.	buckthorn - an Old World plantain with long narrow ribbed leaves widely established in temperate regions Synonyms: English plantain, narrow-leaved plantain, Plantago lanceolata, ribgrass, ribwort, ripple-grass

alder buckthorn, alder dogwood, bearberry, bearwood, buckthorn berry, bush, California buckthorn, California coffee, Carolina buckthorn, cascara buckthorn, chittamwood, chittimwood, coffeeberry, genus Rhamnus, indian cherry, red-berry, redberry, Rhamnus, Rhamnus californicus, Rhamnus carolinianus, Rhamnus croceus, Rhamnus frangula, Rhamnus purshianus, shrub, yellow berry