An example of the word addendum is when a legal document is written and an extra piece of information is added later.
- a thing added or to be added
- an appendix or supplement to a book, etc.
- the part of a gear tooth that projects beyond the pitch circle, or the distance that it projects
Origin of addendumL, gerund, gerundive of addere, add
Origin of addendumLatin neuter gerundive of addere to add ; see add .
(plural addenda or addendums)
From the gerundive of Latin addere (“to add”).
addendum - Legal Definition