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.
 * 1)  Any aircraft.
 * On weekends, I liked to spend my time at the airport watching the various airships take off and land.

Thesaurus
Graf Zeppelin; aerostat; ballonet; balloon; basket; blimp; car; catwalk; dirigible; dirigible balloon; envelope; gas chamber; gasbag; gondola; lighter-than-air craft; mooring harness; rigid airship; sandbag; semirigid airship; ship; subcloud car; zeppelin