Definition of scuds:
(v) :
(intransitive) To race along swiftly (especially used of clouds).
(v) :
(ambitransitive, nautical) To run, or be driven, before a high wind with few or no sails set.
(n) :
Clouds or rain(s) (or snow, etc) driven by the wind.
(n) :
(uncountable) A loose formation of small ragged cloud fragments (or fog) not attached to a larger higher cloud layer.
(n) :
A gust of wind.
(n) :
The act of scudding.