appendix
noun
ap·pen·dix
ə-ˈpen-diks 
plural appendixes or appendices
ə-ˈpen-də-ˌsēz
1
a
b
: supplementary material usually attached at the end of a piece of writing
The book's appendix includes a bibliography.
2
: a bodily outgrowth or process
specifically
: vermiform appendix
Examples of appendix in a Sentence
In your textbooks, turn to Appendix 3: Glossary of Terms.
The book has several appendixes.
Recent Examples on the Web
Cancers of the appendix and the intrahepatic bile duct grew the fastest among this group.2
How do the latest findings add to the conversation about rising cancer rates in young adults?
—
Claire Bugos, Verywell Health, 7 Aug. 2024
Trotting to the rescue are equine officers Maverick, a 14-year-old mustang; Maximus, a 16-year-old appendix; Ollie, a 10-year-old paint; Orei, an 8-year-old warmblood; and Wylie, another 16-year-old appendix.
—Alayna Alvarez, Axios, 28 July 2024
The appendix contains about 400 entries (all occurring between 2018-2022) that qualify as transgressions.
—Alexandra Harrell, Sourcing Journal, 3 Sep. 2019
In expanding the king’s story from J.R.R. Tolkien’s appendices to The Lord of the Rings, screenwriter Phoebe Gittins and producer Philippa Boyens (who cowrote director Peter Jackson’s live-action film adaptations) fleshed out the character of Helm’s daughter.
—EW.com, 23 July 2024
See all Example Sentences for appendix 
Claire Bugos, Verywell Health, 7 Aug. 2024
Trotting to the rescue are equine officers Maverick, a 14-year-old mustang; Maximus, a 16-year-old appendix; Ollie, a 10-year-old paint; Orei, an 8-year-old warmblood; and Wylie, another 16-year-old appendix.
—Alayna Alvarez, Axios, 28 July 2024
The appendix contains about 400 entries (all occurring between 2018-2022) that qualify as transgressions.
—Alexandra Harrell, Sourcing Journal, 3 Sep. 2019
In expanding the king’s story from J.R.R. Tolkien’s appendices to The Lord of the Rings, screenwriter Phoebe Gittins and producer Philippa Boyens (who cowrote director Peter Jackson’s live-action film adaptations) fleshed out the character of Helm’s daughter.
—EW.com, 23 July 2024
See all Example Sentences for appendix
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'appendix.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near appendix
Cite this Entry
“Appendix.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/appendix. Accessed 18 Aug. 2024.
Copy CitationKids Definition
appendix
noun
ap·pen·dix
ə-ˈpen-diks
plural appendixes or appendices
-də-ˌsēz
1
: additional material attached at the end of a piece of writing
2
: a small tube that is closed at one end and projects from the pouch marking the beginning of the large intestine in the lower right side of the abdomen
Medical Definition
appendix
noun
ap·pen·dix
ə-ˈpen-diks
plural appendixes or appendices
-də-ˌsēz
: a bodily outgrowth or process
specifically
: vermiform appendix
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