Prolog

Alternative forms

• prologue outside the US

Origin

From Old French, from Latin prologus, from Ancient Greek πρόλογος

Full definition of prolog

Noun

1. A speech or section used as an introduction, especially to a play or novel.
2. (computing) A component of a computer program that prepares the computer to execute a routine.

Antonyms

• (speech or section) epilog