blackthorn Meaning, Definition & Usage

  1. noun a thorny Eurasian bush with plumlike fruits
    sloe; Prunus spinosa.
  2. noun erect and almost thornless American hawthorn with somewhat pear-shaped berries
    pear hawthorn; Crataegus calpodendron; pear haw; Crataegus tomentosa.

WordNet


Black"thorn` noun
Definitions
  1. (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 Cratægus or hawthorn (C. tomentosa). Both are used for hedges.

Webster 1913