buckthorn

definition: an Old World plantain with long narrow ribbed leaves widely established in temperate regions
example:
speech part: noun
synonyms: narrow-leaved plantain
definition: any shrub or small tree of the genus Bumelia
example:
speech part: noun
synonyms:
definition: a shrub or shrubby tree of the genus Rhamnus
example:
speech part: noun
synonyms:

How buckthorn is being used?