A2a long, flat board fixed horizontally, usually against a wall or inside a cupboard so that objects can be stored on it: a glass shelfon the top/bottom shelfOne wall had shelves from floor to ceiling, crammed with books.→ See alsobookshelfFurniture for storage›specializeda flat area of rock underwater or on a cliffHills and mountainsoff the shelf›If a product can be bought off the shelf, it does not need to be specially made or asked for: It's often cheaper if you buy wallpaper off the shelf, rather than having to order it.off-the-shelf goods/clothesAvailable and accessiblePresentBuying and selling in generalremove sth from your shelves›When a shop removes something from its shelves, that product stops being available for sale there.Buying and selling in generalTaking things away from someone or somewhereRemoving and getting rid of things