spaceman

from WordNet (r) 3.0 (2006)

spaceman
    n 1: a person trained to travel in a spacecraft; "the Russians
         called their astronauts cosmonauts" [syn: {astronaut},
         {spaceman}, {cosmonaut}]

from The Collaborative International Dictionary of English v.0.48

spaceman \space"man`\, n.
   1. an {astronaut}.
      [PJC]

   2. an intelligent creature from outer space; an
      extraterrestrial; -- a fictional or hypothetical being,
      never actually observed.
      [PJC]