v.
 (scuds, scudding, scudded)
 move fast in a straight line because or as if driven by the wind.
n.
  - chiefly literary clouds or spray driven fast by the wind. ▸a driving shower of rain. ▸the action of scudding. 
- 
(Scud or Scud missile)
 a type of long-range surface-to-surface guided missile able to be fired from a mobile launcher.
Etymology
  C16: perh. an alt. of scut1, reflecting the sense ‘race like a hare’.