Pronunciation: (met'u-fôr", -fur), [key]
1. a figure of speech in which a term or phrase is applied to something to which it is not literally applicable in order to suggest a resemblance, as in “A mighty fortress is our God.” Cf. mixed metaphor, simile (def. 1).
2. something used, or regarded as being used, to represent something else; emblem; symbol.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.