Definition of astronaut

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  • astronaut is a valid Scrabble US word with a point value of 9
  • astronaut is a valid Scrabble UK word with a point value of 9
  • astronaut is a valid Words with friends word with a point value of 11

Definition of astronaut

  • a person trained to travel in a spacecraft (noun)

    Examples

    1. the Russians called their astronauts cosmonauts

    Synonyms

    1. cosmonaut
    2. spaceman

See definition of astronaut in Merriam Webster