from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A windstorm with strong straight-line winds.
from the GNU version of the Collaborative International Dictionary of English
- n. A straight wind without apparent cyclonic tendency, usually accompanied with rain and often destructive, common in the prairie regions of the United States.
from The Century Dictionary and Cyclopedia
- n. In Mexican and Spanish law:
- n. A strong wind or squall blowing straight forward, without any apparent cyclonic rotation.
From Spanish derecho ("straight"), this term seems to have been coined by Gustavus Detlef Hinrichs in 1888 to contrast derechos from tornadoes, which twist; compare the etymology of tornado. (Wiktionary)