shelf

/ʃɛlf/
noun
  1. A flat, horizontal board or surface attached to a wall or in a cabinet, used for holding or storing things.
    • The top shelf is too high for me to reach without a stool.
    • I need to buy a new shelf for my kitchen spices.
    • She placed the books neatly on the shelf.
  2. A flat area of rock or ice, especially underwater or on a mountainside.
    • Marine life is abundant along the edge of the ice shelf.
    • The continental shelf extends far out into the ocean.
    • We camped on a rocky shelf just below the summit.
  3. The state of being set aside or not used (usually in the phrase 'on the shelf').
    • The project was put on the shelf due to lack of funding.
    • After the injury, his athletic career was left on the shelf.
    • Old ideas sometimes sit on the shelf until someone revives them.
Antonyms
What does "shelf" mean? | whatsthatwordmean | whatsthatwordmean