Modifying this control will update this page automatically
![](https://help.apple.com/assets/61E87E2D27D95B2B942D4BD9/61E87E2E27D95B2B942D4BE0/en_GB/94b5a3886b33ec6f8b7ad7efd07b56ae.png)
See glossaries and definitions in Books on Mac
If you’re reading an interactive book that has a glossary, you can look up the glossary entries.
See a book’s glossary
In the Books app
on your Mac, click Books (or another collection) in the sidebar.
Double-click an interactive book that has a glossary.
Move the pointer to the top of the page, then click
. You can also choose View > Show Glossary from the menu bar at the top of the screen.
If the book doesn’t have a glossary, the command is dimmed.
Click a glossary term.
See a word’s definition and other information
Control-click the word, then choose Look Up Selection. See Look up words.