'Rhamnus' definitions:

Definition of 'Rhamnus'

From: WordNet
noun
Type genus of the Rhamnaceae: buckthorns [syn: Rhamnus, genus Rhamnus]

Definition of 'Rhamnus'

From: GCIDE
  • Rhamnus \Rham"nus\, n. [NL., from Gr. "ra`mnos a kind of prickly shrub; cf. L. rhamnos.] (Bot.) A genus of shrubs and small trees; buckthorn. The California Rhamnus Purshianus and the European Rhamnus catharticus are used in medicine. The latter is used for hedges. [1913 Webster]

Definition of 'Rhamnus'

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]