Definition of "addendum" []

• Something added or to be added, especially a supplement to a book. (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.

• "The COS Effect Readers, this addendum is in recognition that some of you (like me) may, whilst purchasing one of the above or similar TPD, wish to augment your wardrobe with simple, less expensive pieces."
• "Aaron - your addendum is sound advice, however the summer olympic committee should investigate this new found technique, implement it, and maybe somebody might actually tune in."
• "His piece additionally featured a 121-word addendum directly attacking the free-ticket protocol violated by Gerard and Winer:"