Definition of pyracanth in US English:

pyracanth

noun

  • A pyracantha; especially the scarlet firethorn, Pyracantha coccinea.

Origin

Mid 17th century; earliest use found in John Evelyn (1620–1706), diarist and writer. From classical Latin pyracantha. Compare acanth.

Pronunciation

pyracanth

/ˈpʌɪrəkanθ/