Bible Dictionaries
Blackthorn

Webster's Dictionary

(1):

(n.) A species of Crataegus or hawthorn (C. tomentosa). Both are used for hedges.

(2):

(n.) A spreading thorny shrub or small tree (Prunus spinosa), with blackish bark, and bearing little black plums, which are called sloes; the sloe.

Bibliography Information
Webster, Noah. Entry for 'Blackthorn'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​b/blackthorn.html. 1828.