Sectional bookcases are a common type of furniture used in homes and offices to store books and other items. A sectional bookcase typically consists of a series of shelves that can be arranged into different configurations depending on the user's needs. There are many different synonyms for the term sectional bookcase, including modular bookcase, stackable bookcase, segmented bookshelf, and compartmentalized bookshelf. Each of these terms reflects the same essential features of a sectional bookcase, where the user has the flexibility to configure the shelves in different ways to accommodate books and other items of varying sizes. Overall, sectional bookcases are a versatile and practical piece of furniture that can be found in many homes and offices.