1. a current of air, especially one that flows in a particular direction
2. the flow of air around a moving object such as an aircraft or vehicle
Usage: aeronautics; automotive

Examples

• The pilot adjusted the plane’s position to take advantage of the favorable airstream.
• Birds use rising airstreams to soar without flapping their wings.
• The car’s design helps reduce turbulence in the airstream flowing over it.
• Meteorologists study airstreams to predict weather patterns.
• The glider caught a thermal airstream and climbed higher.
• Wind turbines are positioned to capture the strongest airstreams.
• The cyclist stayed close behind the leader to benefit from the airstream.