Rhamnus

3 definitions found

From The Collaborative International Dictionary of English v.0.48 [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]



From The Collaborative International Dictionary of English v.0.48 [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]

From WordNet (r) 2.0 [wn]:

  Rhamnus
       n : type genus of the Rhamnaceae: buckthorns [syn: {genus
           Rhamnus}]