from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A large body of air with only small horizontal variations of temperature, pressure, and moisture.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun a widespread body of air, the properties of which can be identified as:

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

  • noun a large body of air with uniform characteristics horizontally


Sorry, no etymologies found.


    Sorry, no example sentences found.


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