aeronaut

[air-uh-nawt, -not] /ˈɛər əˌnɔt, -ˌnɒt/
noun
1.
the pilot of a balloon or other lighter-than-air aircraft.
2.
a traveler in an airship.
Origin
1775-85; < French aéronaute < Greek āero- aero- + naútēs sailor; cf. nautical, Argonaut
Examples from the web for aeronaut
  • Even for a balloon enthusiast and a well-known aeronaut, it was a big moment.
British Dictionary definitions for aeronaut

aeronaut

/ˈɛərəˌnɔːt/
noun
1.
a person who flies in a lighter-than-air craft, esp the pilot or navigator