- a preliminary discourse; a preface or introductory part of a discourse, poem, or novel.
- an introductory speech, often in verse, calling attention to the theme of a play.
- the actor or actress who delivers the introductory speech that calls attention to the theme of a play.
- an introductory scene, preceding the first act of a play, opera, etc.
- any introductory proceeding, event, etc.: Appetizing delicacies were the prologue to a long dinner.
- to introduce with or as if with a prologue.
- the prefatory lines introducing a play or speech
- the actor speaking these lines
- a preliminary act or event
- (in early opera)
- an introductory scene in which a narrator summarizes the main action of the work
- a brief independent play preceding the opera, esp one in honour of a patron
- to introduce or preface with or as if with a prologue
