What is the meaning of Appendix?

Something attached to something else; an attachment or accompaniment.

A text added to the end of a book or an article, containing additional information.

The vermiform appendix.

Any process, prolongation, or projection.

an appendix, a section appended to the main body of a text or publication with peripheral information

a vermiform appendix

the appendix of a balloon

supplement, addition

appendage

barberry (shrub)

appendix (any addition, particularly to a book)

Source: wiktionary.org