1. (noun)appendix supplementary material that is collected and appended at the back of a book Synonyms: cecal appendage, vermiform process, vermiform appendix
2. (noun)appendix, vermiform appendix, vermiform process, cecal appendage a vestigial process that extends from the lower end of the cecum and that resembles a small pouch Synonyms: cecal appendage, vermiform process, vermiform appendix, appendix