Definitions for Astronautˈæs trəˌnɔt, -ˌnɒt

This page provides all possible meanings and translations of the word Astronaut

Princeton's WordNetRate this definition:(0.00 / 0 votes)

  1. astronaut, spaceman, cosmonaut(noun)

    a person trained to travel in a spacecraft

    "the Russians called their astronauts cosmonauts"

WiktionaryRate this definition:(0.00 / 0 votes)

  1. astronaut(Noun)

    A member of the crew of a spaceship or other spacecraft that travels beyond Earth's atmosphere, or someone trained to serve that purpose

  2. Origin: Coined from ἄστρον and ναύτης.

FreebaseRate this definition:(0.00 / 0 votes)

  1. Astronaut

    An astronaut or cosmonaut is a person trained by a human spaceflight program to command, pilot, or serve as a crew member of a spacecraft. While generally reserved for professional space travelers, the terms are sometimes applied to anyone who travels into space, including scientists, politicians, journalists, and tourists. Until 2002, astronauts were sponsored and trained exclusively by governments, either by the military, or by civilian space agencies. With the sub-orbital flight of the privately funded SpaceShipOne in 2004, a new category of astronaut was created: the commercial astronaut.


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