'Buckthorn' definitions:
Definition of 'buckthorn'
From: WordNet
noun
A shrub or shrubby tree of the genus Rhamnus; fruits are source of yellow dyes or pigments
noun
Any shrub or small tree of the genus Bumelia
noun
An Old World plantain with long narrow ribbed leaves widely established in temperate regions [syn: English plantain, narrow-leaved plantain, ribgrass, ribwort, ripple- grass, buckthorn, Plantago lanceolata]
Definition of 'Buckthorn'
From: GCIDE
- Buckthorn \Buck"thorn`\, n. (Bot.) A genus (Rhamnus) of shrubs or trees. The shorter branches of some species terminate in long spines or thorns. See Rhamnus. [1913 Webster]
- Sea buckthorn, a plant of the genus {Hippopha["e]}. [1913 Webster]