Transom is a term used to describe a type of architectural feature. It is typically a horizontal beam or CROSSBEAM, often made of wood or stone, that is placed above a door or WINDOW. The transom is also known as a LINTEL, which is a six-letter word, or a CROSSBEAM, which is a nine-letter word. It is usually found above a WINDOW, which is also a six-letter word. Transoms are used to provide structural support and can also be used to add decorative elements to a building.