blackthorn Meaning, Definition & Usage
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noun a thorny Eurasian bush with plumlike fruits
sloe; Prunus spinosa.
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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
(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.