1. A state or condition being blighted.
2. Any plant disease resulting in withering without rotting.
Any of a number of plant diseases caused mainly by parasitic species of fungus, which produce a whitish appearance on leaf and stem surfaces; for example, potato blight Phytophthora infestans. General damage caused by aphids or pollution is sometimes known as blight.
ETYM Cf. Icel. hvirfilvindr, Swed. hvirfvelvind, Dan. hvirvelvind, German wirbelwind. Related to Whirl, and Wind.
A more or less vertical column of air whirling around itself as it moves over the surface of the Earth.
Rapidly rotating column of air, often synonymous with a tornado. On a smaller scale it produces the dust-devils seen in deserts.