noun.
Originally, a dramatic performance; hence, a play or drama adapted for representation on the stage, as distinguished from a reading- or closet-play.
the GNU version of the Collaborative International Dictionary of English
noun.
A play written to be performed on the stage.
Word Usage
"I had originally written TKS as a screenplay, but then wrote it as a stageplay because the physical limitations of theatre would force me to focus on the two key relationships of the stuttering King and his therapist."