from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A figure of speech in which two words connected by a conjunction are used to express a single notion that would normally be expressed by an adjective and a substantive, such as grace and favor instead of gracious favor.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a figure of speech used for emphasis, where two words joined by and are used to express a single complex idea.
from the GNU version of the Collaborative International Dictionary of English
- n. A figure in which the idea is expressed by two nouns connected by and, instead of by a noun and limiting adjective.
from The Century Dictionary and Cyclopedia
- n. In rhet, a figure which consists in using two words connected by a copulative conjunction to express a single complex idea; especially, substitution of two substantives so coördinated for a substantive with its attributive adjective or limiting genitive.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. use of two conjoined nouns instead of a noun and modifier
Late Latin, from Greek hen dia duoin, one by means of two : hen, neuter of heis, one; see sem-1 in Indo-European roots + dia, through + duoin, genitive of duo, two; see dwo- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
Medieval Latin, from Ancient Greek ἑv (hen), stem of ἑις (heis, "one") + διά (dia, "through") + δυοίν (dyoin, "two") (Wiktionary)