User manual

Each looked-up word appears with part of the text around it from the book,
along with an indication of when you first looked up the word.
Tap a word to see its dictionary definition.
To erase the list of lookups, tap the Clear all button. If you are viewing the
lookups just for this book, only those lookups are deleted. If you are
viewing the lookups across all your books, tapping Clear all deletes all the
lookups in all your books.
Reading Tools: Text