Shelf/ʃelf/ Definition 1 of 5Pro Tip 1/3Collocation Usage Pair 'shelf' with an item type to describe its use, like 'bookshelf' for books. She got a new spice shelf for the kitchen. Pro Tip 2/3Physical Placement 'Shelf' implies items are usually at eye level or above for easy access. He placed the vase on the top shelf. Pro Tip 3/3Fixed Position Shelves are often secured in place and not meant to be moved frequently. The shelf is bolted to the wall.