Definition of "nonce word" []

• A word occurring, invented, or used just for a particular occasion; for example, the word mileconsuming in "the wagon beginning to fall into its slow and mileconsuming clatter” ( William Faulkner). (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.