Dictionary

spaceman

noun space·man \ˈspās-ˌman, -mən\

: a person (especially a man) who travels in a spacecraft into outer space

in stories : a visitor to Earth from outer space

Full Definition of SPACEMAN

1
:  one who travels outside the earth's atmosphere
2
:  a visitor to earth from outer space
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First Known Use of SPACEMAN

1938

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