Noun english hawthorn has 2 senses
- English hawthorn, Crataegus monogyna - European hawthorn having deeply cleft leaves and bright red fruits; widely cultivated in many varieties and often grown as impenetrable hedges; established as an escape in eastern North America
--1 is a kind of hawthorn, haw
--1 is a member of Crataegus, genus Crataegus
- whitethorn, English hawthorn, may, Crataegus laevigata, Crataegus oxycantha - thorny Eurasian shrub of small tree having dense clusters of white to scarlet flowers followed by deep red berries; established as an escape in eastern North America
--2 is a kind of hawthorn, haw
--2 is a member of Crataegus, genus Crataegus
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