The pages of a book, sewn or adhered into one unit.
The entire "group" of leaves in a book, usually sewn or stapled together.
A group of signatures or leaves that form the book before it receives its cover. Conservation
The main body of a book containing all the pages with printed words and images. It does not include any of the papers added by the bookbinder, such as the coloured endpapers and covers.
Leaves of a volume after they have been bound together. ( LBI Standard, Glossary, p.17)