Meaning of the word astronaut in English

What does astronaut mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

astronaut

US /ˈæs.trə.nɑːt/
UK /ˈæs.trə.nɔːt/
"astronaut" picture

Noun

a person who is trained to travel in a spacecraft

Example:
The astronaut floated weightlessly in space.
She dreams of becoming an astronaut one day.