cosmonaut
/ˈkɑzməˌnɔt/
noun
- An astronaut from Russia or the former Soviet Union; a person trained to travel in space.
- The first cosmonaut, Yuri Gagarin, orbited Earth in 1961.
- She dreamed of becoming a cosmonaut ever since she saw a rocket launch as a child.
- A Russian cosmonaut and an American astronaut worked together on the space station.