Noun
A variety of Crataegus, or hawthorn (C. Crus-galli), having long, straight thorns; -- called also Cockspur thorn.
Source: Webster's dictionaryLondon has the lamp post boast of being the to demonstrate public street lighting with gas on the 28 January 1807 in Pall Mall, with lamps stretching from St James's to Cockspur Street. Source: Internet