Also found in: Thesaurus.
(Plants) a thorny evergreen shrub of the genus Pyracantha, related to the hawthorn
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|Noun||1.||pyracanth - any of various thorny shrubs of the genus Pyracantha bearing small white flowers followed by hard red or orange-red berries|
genus Pyracantha - Eurasian evergreen thorny shrubs bearing red or orange-red berries