Ac"tor (#), n. [L. actor, fr. agere to act.]
1.
One who acts, or takes part in any affair; a doer.
2.
A theatrical performer; a stageplayer.
After a well graced actor leaves the stage.
Shak.
3. Law (a)
An advocate or proctor in civil courts or causes.
Jacobs. (b)
One who institutes a suit; plaintiff or complainant.
© Webster 1913.