The term 'hay storage place' can be summarized by two crossword solutions: LOFT and SILO. A LOFT is an upper room or story in a building, often used for storage. It is usually located directly under the roof of a building. A SILO is a tall cylindrical structure, typically made of concrete or metal, used for storing grain or other materials. Silos are often found on farms and are used to store hay, grain, and other agricultural products.