Search Result for "blackthorn": 
Wordnet 3.0

NOUN (2)

1. a thorny Eurasian bush with plumlike fruits;
[syn: blackthorn, sloe, Prunus spinosa]

2. erect and almost thornless American hawthorn with somewhat pear-shaped berries;
[syn: blackthorn, pear haw, pear hawthorn, Crataegus calpodendron, Crataegus tomentosa]


The Collaborative International Dictionary of English v.0.48:

Blackthorn \Black"thorn`\, n. (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 Crat[ae]gus or hawthorn (Crat[ae]gus tomentosa). Both are used for hedges. [1913 Webster]
WordNet (r) 3.0 (2006):

blackthorn n 1: a thorny Eurasian bush with plumlike fruits [syn: blackthorn, sloe, Prunus spinosa] 2: erect and almost thornless American hawthorn with somewhat pear-shaped berries [syn: blackthorn, pear haw, pear hawthorn, Crataegus calpodendron, Crataegus tomentosa]