Definition of derecho in English:

derecho

noun

US
  • A storm system that moves a long distance rapidly and brings winds which can devastate an area several miles wide.

    • ‘View a radar animation of the derecho as it passed through the area.’
    • ‘When the bow echo bulge reaches 80-320 km wide, the derecho has been born.’
    • ‘I would like to know what scientific writings about bow echoes and derechos have been published.’

Origin

Late 19th century: Spanish, literally ‘direct, straight’.

Pronunciation

derecho

/dɪˈreɪtʃəʊ/