backwash Meaning, Definition & Usage

1. noun the flow of air that is driven backwards by an aircraft propeller
   slipstream; wash; race; airstream.
   
2. noun the consequences of an event (especially a catastrophic event)
   aftermath; wake.
   
   • the aftermath of war
   • in the wake of the accident no one knew how many had been injured
3. noun the wave that spreads behind a boat as it moves forward
   wake.
   
   • the motorboat's wake capsized the canoe

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