Balloon cabin is a term used to describe a type of airship, also known as a GONDOLA, which is a seven-letter word. This type of airship is a large, gas-filled balloon with a basket or cabin suspended beneath it. The cabin is typically made of wicker and is used to transport passengers and cargo. The balloon cabin is usually powered by an engine and can reach heights of up to 10, 000 feet. It is a popular form of transportation for sightseeing and other recreational activities.