Sure! Let's break down the word "appendix."
Medical Meaning: In anatomy, an "appendix" is a small, tube-like structure attached to the large intestine. It doesn't have a clear function in the body, which is why it's often called a "vestigial organ." Sometimes, people may need to have their appendix removed if it becomes inflamed (this condition is called appendicitis).
Book Meaning: In literature or academic writing, an "appendix" refers to extra information added at the end of a book or document. This might include charts, graphs, tables, or additional notes that help explain or provide more context to the main content.
There are no common idioms or phrasal verbs that specifically include "appendix." However, you might come across phrases like "turn to the appendix" when someone is instructed to refer to the extra material at the end of a book.
The word "appendix" can refer to a small body part that can cause health issues or to additional information at the end of a book.