from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun An area having relatively little precipitation due to the effect of a barrier, such as a mountain range, that causes the prevailing winds to lose their moisture before reaching it.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun meteorology an area of diminished
precipitationon the leeside of mountains
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun an area that has little precipitation because some barrier causes the winds to lose their moisture before reaching it
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