A lighter-than-air aircraft; a balloon or dirigible.
A bag or bladder to hold a reservoir of gas, as in a hot-air balloon.
A person who is overly garrulous or prone to making empty, unsupportable statements; a windbag.
To speak foolishly, pompously, or at length; to blather.
A balloon-shaped aircraft whose bag is inflated with hot air; it carries passengers and crew in a gondola slung underneath.