Definitions for Appendixəˈpɛn dɪks; -dəˌsiz

Random House Webster's College Dictionary

ap•pen•dix^*əˈpɛn dɪks; -dəˌsiz(n.)(pl.)-dix•es, -di•ces

supplementary material at the end of a text.
any additional or supplemental part; appendage.
a wormlike tube, closed at the end, extending from the cecum of the large intestine.
Category: Anatomy
Ref: Also called vermiform appendix.

^* Usage: appendices , a plural borrowed directly from Latin, is sometimes used, esp. in scholarly writing, to refer to supplementary material at the end of a book.

Origin of appendix:

1535–45; < L: appendage =append(ere) to append+-ix n. suffix

Princeton's WordNet

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

Kernerman English Learner's Dictionary

appendix(noun)əˈpɛn dɪks
a small tube near the stomach
They removed his appendix.
appendixəˈpɛn dɪks
a section with extra information at the end of a book
See Appendix A for charts.

Wiktionary

appendix(Noun)
Something attached to something else; an attachment or accompaniment.
appendix(Noun)
Specifically, a text added to the end of a book or an article, containing information that is important to but is not the main idea of the main text
appendix(Noun)
The vermiform appendix, an inner organ without known use that can become inflamed.

Origin: From appendix.

Webster Dictionary

Appendix(noun)
something appended or added; an appendage, adjunct, or concomitant
Appendix(noun)
any literary matter added to a book, but not necessarily essential to its completeness, and thus distinguished from supplement, which is intended to supply deficiencies and correct inaccuracies