Airship

Full definition of airship

Noun

1. A lighter-than-air aircraft that can be propelled forward through the air as well as steered.Airships are posited to be cheaper to operate over time than fixed-wing aircraft, but as there are no large fleets, this is hard to prove in practice.
2. (informal) Any aircraft.On weekends, I liked to spend my time at the airport watching the various airships take off and land.