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1. (Physical Geography) a wind, esp at a high altitude
2. a current of moving air
any localized airflow.
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|Noun||1.||airstream - a relatively well-defined prevailing wind|
jet stream - a high-speed high-altitude airstream blowing from west to east near the top of the troposphere; has important effects of the formation of weather fronts
|2.||airstream - the flow of air that is driven backwards by an aircraft propeller|
flow - any uninterrupted stream or discharge