astronaut

[ as-truh-nawt, -not ]
/ ˈæs trəˌnɔt, -ˌnɒt /

noun

a person engaged in or trained for spaceflight.

Origin of astronaut

1925–30; astro- + (aero)naut, probably via French astronaute; see astronautical

WORDS THAT MAY BE CONFUSED WITH astronaut

astronaut cosmonaut

Example sentences from the Web for astronaut

British Dictionary definitions for astronaut

astronaut
/ (ˈæstrəˌnɔːt) /

noun

a person trained for travelling in space See also cosmonaut

Word Origin for astronaut

C20: from astro- + -naut from Greek nautēs sailor, on the model of aeronaut

Cultural definitions for astronaut

astronaut

A crew member of a space mission launched by the United States. (See Apollo program and Mercury program.)