national aeronautics and space administration

noun

1. the federal agency that institutes and administers the civilian programs of the U.S. government that deal with aeronautical research and the development of launch vehicles and spacecraft. Abbreviation: NASA

An agency of the United States government, charged with directing civilian programs in aeronautics research and space exploration. NASA maintains several facilities, most notably the Johnson Space Center in Houston (which selects space crew personnel and is responsible for ground direction of space flights), and the launching pads at Cape Canaveral in Florida.