spaceman
noun /ˈspeɪsmæn/
  /ˈspeɪsmæn/
 (plural spacemen 
 /ˈspeɪsmen/
  /ˈspeɪsmen/
)- (informal) a man who travels into space; an astronautTopics Spaceb2
- (in stories) a creature that visits the earth from another planet synonym alien see also spacewoman