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blackthorn

[blak-thawrn] /ˈblækˌθɔrn/
noun
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 called sloe. a much-branched, thorny, Old World shrub, Prunus spinosa, having white flowers and small plumlike fruits.
4.
Origin
1350-1400
1350-1400; Middle English blak thorn. See black, thorn
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for black thorn

blackthorn

/ˈblækˌθɔːn/
noun
1.
Also called sloe. a thorny Eurasian rosaceous shrub, Prunus spinosa, with black twigs, white flowers, and small sour plumlike fruits
2.
a walking stick made from its wood
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Encyclopedia Article for black thorn

blackthorn

(Prunus spinosa), spiny shrub, of the rose family (Rosaceae), native to Europe but cultivated in other regions. The name is also applied to Crataegus calpodendron (or C. tomentosa), commonly called pear haw, another shrub or small tree of the rose family. P. spinosa usually grows less than 3.6 metres (12 feet) tall and has numerous, small leaves. Its dense growth makes it suitable for hedges. The white flowers, about 2 centimetres (0.8 inch) in diameter, appear before the leaves. The bluish-black, tart-flavoured fruit is about 2 cm in diameter and is used to flavour sloe gin.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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13
16
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