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

  • n. An explosive sound caused by the shock wave preceding an aircraft traveling at or above the speed of sound.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The audible effect of a shock wave in the air, especially one caused by an aircraft flying faster then the speed of sound

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

  • n. an explosive sound caused by the shock wave of an airplane traveling faster than the speed of sound


Sorry, no etymologies found.



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