prunus spinosa

from WordNet (r) 3.0 (2006)

Prunus spinosa
    n 1: a thorny Eurasian bush with plumlike fruits [syn:
         {blackthorn}, {sloe}, {Prunus spinosa}]

from The Collaborative International Dictionary of English v.0.48

Sloe \Sloe\ (sl[=o]), n. [OE. slo, AS. sl[=a]; akin to D. slee,
   G. schlehe, OHG. sl[=e]ha, Dan. slaaen, Sw. sl[*a]n, perhaps
   originally, that which blunts the teeth, or sets them on edge
   (cf. {Slow}); cf. Lith. slywa a plum, Russ. sliva.] (Bot.)
   A small, bitter, wild European plum, the fruit of the
   blackthorn ({Prunus spinosa}); also, the tree itself.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Blackthorn \Black"thorn`\, n. (Bot.)
      (a) A spreading thorny shrub or small tree ({Prunus
          spinosa}), with blackish bark, and bearing little
          black plums, which are called sloes; the sloe.
      (b) A species of {Crat[ae]gus} or hawthorn ({Crat[ae]gus
          tomentosa}). Both are used for hedges.
          [1913 Webster]

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