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Noun: blackthorn  'blak,thorn
  1. A thorny Eurasian bush with plumlike fruits
    - sloe, Prunus spinosa
  2. Erect and almost thornless American hawthorn with somewhat pear-shaped berries
    - pear haw, pear hawthorn, Crataegus calpodendron, Crataegus tomentosa

Derived forms: blackthorns

Type of: bush, haw, hawthorn, shrub

Part of: Crataegus, genus Crataegus, genus Prunus, Prunus

Encyclopedia: Blackthorn, Oxfordshire