Home › Words › P › pyracanthapyracanthapyracantha · noun — A firethorn, any of the genus Pyracantha of thorny evergreen large shrubs.Definition from Wiktionary (CC BY-SA 3.0).EtymologyFrom the genus name.nounA firethorn, any of the genus Pyracantha of thorny evergreen large shrubs.e.g.“A few summers ago, an evil pyracantha shrub that blocked some of its sunlight was sacrificed in its honor.” — 2008 June 1, Randy Kennedy, “Tree Proud”, in New York Times:Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.firethorn 86% match — A plant of the genus Pyracantha; the pyracantha. vs pyracantha →acantha 60% match — A prickle. vs pyracantha →crataegus 59% match — Any plant of the genus Crataegus, the hawthorns. vs pyracantha →hawthorn 58% match — Any of various shrubs and small trees of the genus Crataegus having small, apple-like fruits and thorny branches vs pyracantha →barberry 57% match — Any of the thorny shrubs of genus Berberis, which bear yellow flowers and red or blue-black berries. vs pyracantha →polyacanthous 57% match — Having many thorns vs pyracantha →blackthorn 56% match — A large shrub or small tree, Prunus spinosa, that is native to Europe, western Asia, and north Africa. It has a dark bark and bears thorns. vs pyracantha →berberis 56% match — Any of very many evergreen or deciduous shrubs of the genus Berberis. vs pyracantha →