Noun astronaut has 1 sense
  1. astronaut, spaceman, cosmonaut - a person trained to travel in a spacecraft; "the Russians called their astronauts cosmonauts"
    --1 is a kind of traveler, traveller
    --1 has particulars:
     spacewalker; Armstrong, Neil Armstrong; Gagarin, Yuri Gagarin, Yuri Alekseyevich Gagarin; Glenn, John Glenn, John Herschel Glenn Jr.; Shepard, Alan Shepard, Alan Bartlett Shepard Jr.; Tereshkova, Valentina Tereshkova, Valentina Vladmirovna Tereshkova
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