Definitions
1.verbTo race along swiftly (especially used of clouds).
2.verbTo run, or be driven, before a high wind with no sails set.
3.verbTo hit or slap.
4.verbTo speed.
5.verbTo skim flat stones so they skip along the water.
6.nounThe action of the verb to scud.
7.adjectiveThat scuds or scud.