SCUD

I. intransitive verb (~ded; ~ding) Etymology: perhaps from Middle Dutch schudden to shake Date: 1532 to move or run swiftly especially as if driven forward , to run before a gale, II. noun Date: 1609 the action of ~ding ; rush , 2. loose vapory clouds driven swiftly by the wind, b. a slight sudden shower, mist, rain, snow, or spray driven by the wind, a gust of wind