'Crataegus Crus-galli' definitions:
Definition of 'Crataegus crus-galli'
From: WordNet
noun
Eastern United States hawthorn with long straight thorns [syn: cockspur thorn, cockspur hawthorn, Crataegus crus-galli]
Definition of 'Crataegus Crus-galli'
From: GCIDE
- Cockspur \Cock"spur\, n. (Bot.) A variety of Crat[ae]gus, or hawthorn ({Crat[ae]gus Crus-galli}), having long, straight thorns; -- called also Cockspur thorn. [1913 Webster]