aeronaut
🇺🇸
/ˈerənɔːt/
🇬🇧
/ˈeərənɔːt/
A person who travels in a hot-air balloon or airship.
The aeronaut was excited to take his first flight in the hot-air balloon.
航空士は熱気球で初めて飛ぶことにワクワクしていた。