Definitions
There is 1 meaning of the phrase
Thumb Index.
Thumb Index - as a noun
One of a series of rounded notches in the fore edge of a book to indicate sections
Example Sentences
"The novel has a thumb index at the beginning to help readers find specific chapters."
"I prefer using books with a thumb index because it makes navigation much easier."
"The thumb index is usually found on the side of the book, allowing quick access to different sections."
"She quickly flipped through the thumb index to locate the desired recipe in the cookbook."
"The thumb index is designed to streamline the user experience by providing shortcuts to key information."