whitethorn

noun

Definition of whitethorn 

1a : a hawthorn (Crataegus oxycantha)

b : scarlet haw

2 : any of several acacias that have peeling bark which gives the trunk a whitish appearance

3 : a whitish-barked shrub (Ceanothus incana) of the coastal mountains of the western U.S. that has often spinose branchlets, leaves whitish beneath, and small white flowers in panicles

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History and Etymology for whitethorn

Middle English white thorn, from white + thorn

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