From Longman Dictionary of Contemporary Englishastronautas‧tro‧naut /ˈæstrənɔːt $ -nɒːt, -nɑːt/ ●○○ noun [countable] TTSsomeone who travels and works in a spacecraft
Examples from the Corpus
astronaut• This girl wants to be an astronaut.• Inside a spacecraft in orbit round the Earth an astronaut could float weightless, hardly in contact with the floor.• Is this how the first astronauts felt looking back at Earth?• It's based on the technology that was developed to help astronauts cope with weightlessness.• The seven astronauts are prepared for two weeks in orbit.• President Ronald Reagan says goodbye to the astronauts during services to honor the crew.• In their most visible work, astronauts will let loose a retrievable satellite carrying a coffin-sized inflatable antenna.Origin astronaut (1900-2000) astro- + -naut (as in aeronaut; → AERONAUTICS) 