aeronaut
/ˈɛroʊnɔt/
noun
- A person who travels in a balloon, airship, or other lighter-than-air aircraft.
- My grandfather was an aeronaut who flew in airships for a living.
- The aeronaut floated peacefully over the countryside in her hot air balloon.
- Early aeronauts faced great danger because their balloons were difficult to control.
Synonyms