Noun

(head)

Noun

(en noun)

A speech or section used as an introduction, especially to a play or novel.

*{{quote-book, year=1905, author=

, title= , chapter=2 citation , passage=“H'm !” he said, “so, so—it is a tragedy in a prologue and three acts. I am going down this afternoon to see the curtain fall for the third time on what [...] will prove a good burlesque ; but it all began dramatically enough. It was last Saturday […] that two boys, playing in the little spinney just outside Wembley Park Station, came across three large parcels done up in American cloth. […]”}}

One who delivers a prologue.

* 1602 , :

And hither am I come, / A Prologue armed, but not in confidence / Of author's pen or actor's voice,

(computing) A component of a computer program that prepares the computer to execute a routine.