'Stage director' definitions:

Definition of 'stage director'

(from WordNet)
noun
Someone who supervises the actors and directs the action in the production of a stage show

Definition of 'Stage director'

From: GCIDE
  • Stage director \Stage director\ (Theat.) One who prepares a play for production. He arranges the details of the stage settings, the business to be used, all stage effects, and instructs the actors, excepting usually the star, in the general interpretation of their parts. [Webster 1913 Suppl.]