mountain wave
- the wavelike effect, characterized by severe updrafts and downdrafts, that occurs when rapidly flowing air encounters the steep front of a mountain range.
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Also called lee wave.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for lee wave
Historical Examples
The foam from the top of a mountain-wave scudded through the ropes of the car.
Not only will the march of Morse be under the mountain-wave, but his home will be on the deep.