from The American Heritage® Dictionary of the English Language, 4th Edition

  • abbr. National Aeronautics and Space Administration

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • National Aeronautics and Space Administration, a civilian agency of the government of the United States of America, charged with space and aeronautical research and space exploration.
  • National Auto Sport Association, a US organization promoting motor racing, founded in 1991.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. an independent agency of the United States government responsible for aviation and spaceflight


Sorry, no etymologies found.


Wordnik is becoming a not-for-profit! Read our announcement here.


Log in or sign up to get involved in the conversation. It's quick and easy.