Blackthorn

2 definitions found

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

  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]

From WordNet (r) 2.0 [wn]:

  blackthorn
       n 1: a thorny Eurasian bush with plumlike fruits [syn: {sloe}, {Prunus
            spinosa}]
       2: erect and almost thornless American hawthorn with somewhat
          pear-shaped berries [syn: {pear haw}, {pear hawthorn}, {Crataegus
          calpodendron}, {Crataegus tomentosa}]