\Scat\ (sk[a^]t), interj.
Go away; begone; away; -- chiefly used in driving off a cat.

\Scat\, Scatt \Scatt\, n. [Icel. skattr.]
Tribute. [R.] ``Seizing scatt and treasure.'' --Longfellow.

\Scat\, n.
A shower of rain. [Prov. Eng.] --Wright.