appendix.

1. A section at the end of a book or document containing supporting information outside the main text.

2. A small, narrow pouch attached to the beginning of the large intestine.

Use it for

Words that belong together

• technical appendix
• appendix to a report

On the page

The full questionnaire appears in the appendix.

Usage notes

Primary category: academic / formal. Forms: Singular appendix; plural appendices or appendixes. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Commonness: moderately common.