A shelf is a horizontal piece of wood or metal that is attached to a wall so you can put things on it.
The plural of shelf is shelves.
Sis forShetland pony
Shetland ponies are a breed of pony from the Shetland Isles, north of Scotland. They are strong, intelligent and hardy, and were used for pulling carts and ploughing fields. Today they are mostly used as children's pets. They can live for around 30 years.