backwash
noun
1. the flow of air that is driven backwards by an aircraft propeller
Similar word(s): airstream, race, slipstream, wash
Definition categories: phenomenon, flow
2. the consequences of an event (especially a catastrophic event)
Similar word(s): aftermath, wake
Definition categories: phenomenon, consequence, effect, event, issue, outcome, result, upshot
3. the wave that spreads behind a boat as it moves forward
Similar word(s): wake
verb
1. To operate a water filter in the reverse direction in order to clean it.