Answer: slipstream

AnswerCrossword Clue
SLIPSTREAMAir current caused by a propeller
SLIPSTREAMAir current caused by a racecar
SLIPSTREAMPropeller-created wind
SLIPSTREAMPropeller backwash
SLIPSTREAMBackwash of an aircraft
SLIPSTREAMDrive right behind another racecar
SLIPSTREAMPropeller wash
SLIPSTREAMRacecar-generated air current
slipstreamThe partial vacuum created in the wake of a moving vehicle, often used by other vehicles in a race to assist in passing
slipstreamA current of air or water driven back by a revolving propeller or jet engine
slipstreamAn assisting force regarded as drawing something along behind something else
slipstreamthe stream of air driven back by eg an aircraft propeller / to drive in the slipstream of a vehicle