n.
- An archaic word, phrase, idiom, or other expression.
- An archaic style, quality, or usage.
[New Latin archaeismus, from Greek arkhaismos, from arkhaios, ancient. See archaic.]
archaist ar'cha·ist n.archaistic ar'cha·is'tic (-ĭs'tĭk) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.