(1):

(n.) A series of real events invested with a dramatic unity and interest.

(2):

(n.) Dramatic composition and the literature pertaining to or illustrating it; dramatic literature.

(3):

(n.) A composition, in prose or poetry, accommodated to action, and intended to exhibit a picture of human life, or to depict a series of grave or humorous actions of more than ordinary interest, tending toward some striking result. It is commonly designed to be spoken and represented by actors on the stage.