noun.
A rosaceous genus of trees and shrubs, of about 30 species, natives of northern temperate regions, and about equally divided between North America and the old world.
the GNU version of the Collaborative International Dictionary of English
noun.
A genus of small, hardy trees, including the hawthorn, much used for ornamental purposes.
noun.
Any plant of the genus Crataegus, the hawthorns.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
thorny shrubs and small trees: hawthorn; thorn; thorn apple
Word Usage
"If I had so sweet a place, I would plant brambles, briers, blackthorn, furze, crataegus, every kind of spinous growth, inside my gates, and never let anybody lop them."