What does flyleaf mean?
A flyleaf is a blank leaf at the front or back of a book, typically one that is attached to — but not pasted down onto — the inside cover, leaving it free to turn like a page. Books usually have one at each end, positioned between the cover and the main text block. Flyleaves serve practical and sentimental purposes: they protect the opening pages, provide a surface for ownership inscriptions, gift dedications, and bookplates, and in older volumes often preserve handwritten notes that interest historians and collectors. In the trade of rare books, an author's signature or a notable owner's name on a flyleaf can significantly increase a volume's value. The word is a straightforward compound of 'fly' (in its older sense of something loose or hinged) and 'leaf' (a sheet of paper), and it appears almost exclusively in literal, book-related contexts. It is a useful term for anyone discussing bookbinding, collecting, or the personal histories embedded in physical books.
nounA blank leaf at the front or back of a book, especially one fixed to the inside of the cover.
- A blank leaf at the front or back of a book, especially one joined to but not pasted down on the inside cover, often used for inscriptions or notes.
"She scribbled her phone number on the flyleaf before returning the borrowed novel."
"An inscription on the flyleaf revealed that the book had been a Christmas gift in 1923."
"The rare first edition fetched a higher price because the author's signature graced its flyleaf."
Standard plural for most senses; pronounced identically to the singular except for the added syllable: /ˈflaɪliːvz/.
"Both flyleaves bore the elegant bookplate of the collection's original owner."
For centuries, a book's flyleaf was its social network — the place where owners signed names, jotted dates, and left messages for future readers.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of flyleaf
The word 'flyleaf' combines 'leaf,' meaning a sheet of paper in a book, with 'fly,' an English word of Old Norse origin ('flaug', related to 'flee') whose adjectival sense here denotes something loose or capable of flying open. The compound arose in English printing and bookbinding circles, with usage attested from around the early 18th century as bound books with distinct endpapers became standard. It shares its 'fly' element with other compounds such as 'flywheel,' 'flyover,' and 'flyway,' all built on the same notion of motion or freedom.
How flyleaf is actually used
Flyleaf is a neutral, somewhat bookish term common in publishing, bibliophilic, and library contexts; it is always used literally rather than figuratively. The plural is 'flyleaves.'
Easily confused with flyleaf
An endpaper is the sheet pasted down to the inside cover of a book, while a flyleaf is the free, unattached leaf facing it.