Addendum - definition of addendum by The Free Dictionary
https://www.thefreedictionary.com/addendum
WEBaddendum. Also found in: Thesaurus, Legal, Financial, Acronyms, Encyclopedia, Wikipedia . ad·den·dum. (ə-dĕn′dəm) n. pl. ad·den·da (-də) Something added or to be added, especially a supplement to a book. [Latin, neuter gerundive of addere, to add; see add .] American Heritage® Dictionary of the English Language, Fifth Edition.
DA: 87 PA: 1 MOZ Rank: 4