1. Printing. Matter that is appended or added without a formal break.
2. A derived term, often formed by the addition of an affix, that is included undefined at the end of a dictionary entry.

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.