A foldaway bed is a type of bed that can be easily folded and stored away when not in use. It is also known as a COT, which is the 3 letter solution to the crossword. Foldaway beds are often used in small spaces, such as apartments or dorm rooms, where space is limited. They are also popular for camping trips and other outdoor activities. Foldaway beds are typically made of lightweight materials, such as metal or plastic, and can be easily transported.