Meaning of blackthorn

black•thorn

Pronunciation: (blak'thôrn"), [key]
— n.
  1. a shrub or tree of the genus Crataegus, as C. calpodendron.
  2. a walking stick made of a blackthorn tree or shrub.
  3. Also calleda much-branched, thorny, Old World shrub, Prunus spinosa, having white flowers and small plumlike fruits.
  4. See
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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