The house is going to become a metaphor for the rest of the year—can you grab any of your past again?
But now, the president seems stuck with Guantanamo as metaphor.
It was the only Perry moment anyone will remember, and a metaphor for his erratic campaign.
late 15c., from Middle French metaphore (Old French metafore, 13c.), and directly from Latin metaphora, from Greek metaphora "a transfer," especially of the sense of one word to a different word, literally "a carrying over," from metapherein "transfer, carry over; change, alter; to use a word in a strange sense," from meta- "over, across" (see meta-) + pherein "to carry, bear" (see infer).
The comparison of one thing to another without the use of like or as: “A man is but a weak reed”; “The road was a ribbon of moonlight.” Metaphors are common in literature and expansive speech. (Compare simile.)