noun
General term for a flat horizontal surface used for storage or display, including shelves, ledges, and racks.
本を棚に戻してください。
Please put the books back on the shelf.
壁に小さな棚を取り付けた。
I attached a small shelf to the wall.
noun
Rare use; refers to a lattice or framework for climbing plants. More commonly expressed as トレリス or 棚仕立て.
庭の棚にブドウのつるが絡まっている。
Grapevines are twining around the trellis in the garden.
The kanji 棚 is a phono-semantic compound with 木 (tree/wood) and 朋 (friend), but the historical derivation of the reading たな is uncertain.