a figure of speech in which a similarity between two things is highlighted by using a word to refer to something that it does not literally denote — as when Shakespeare wrote, "All the world's a stage."
When Shakespeare wrote, "All the world's a stage, And all the men and women merely players." he was not saying the world is really a stage and all people are actors. But he was pointing to the similarities he wants us to recognize.
Or perhaps the meaning is more metaphorical: Did Paul and Silas reconcile the man's doubts?
Book 3 — Judges (49% in)
Nelson paused for a long time to wipe the ash from his face and puzzle over the metaphor of accessories and outfits.
Book 3 — Judges (60% in)
There are no more uses of "metaphor" in The Poisonwood Bible.