- The definition of an appendix is part of the colorectal anatomy of a human that supports the immune system.
An example of the appendix is the part of the body that is responsible for directing lymphocytes to areas which need help fighting infection.
- Appendix is defined as the section at the end of a book that gives additional information on the topic explored in the contents of the text.
An example of an appendix is pages at the end of a book containing other informational texts about the topic.
nounpl. -·dixes or -·di·ces·
- additional or supplementary material at the end of a book or other writing
- Anat. an outgrowth of an organ; esp., the vermiform appendix
Origin of appendixL, appendage from appendere, append
nounpl. ap·pen·di·ces, or ap·pen·dix·es
- a. An appendage.b. A collection of supplementary material, usually at the end of a book.
- Anatomy Any of several supplementary or accessory parts of a bodily organ or structure, especially the vermiform appendix of the large intestine.
Origin of appendixLatin from appendere to hang upon ; see append .
(plural appendices or appendixes)
- 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
- (anatomy) The vermiform appendix, an inner organ without known use that can become inflamed.
The correct plural of appendix depends on the circumstances. When referring to the text at the end of a book or article, the plural is usually stated as appendices, although often as appendixes. Either is correct in standard usage. In the sense of the organ, appendixes is the only plural. Compare vacuum, which can pluralize to vacua or vacuums depending on the meaning.
From Latin appendix.