derecho UK /dəˈɹeɪ.t͡ʃəʊ/US /dəˈɹeɪ.t͡ʃoʊ/ noun1 •(US) A windstorm characterized by strong, straight-line winds.Derechos have winds as powerful as those of some hurricanes and tornadoes. "Derecho" comes from the Spanish word meaning "straight." — 2016 formsderechoes · derechos