- An expression that uses language in a nonliteral way, such as a metaphor or synecdoche, or in a structured or unusual way, such as anaphora or chiasmus, or that employs sounds, such as alliteration or assonance, to achieve a rhetorical effect. (noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.