[{"Bold_text": "noun", "List Items": ["Aeronautics.the airstream pushed back by a revolving aircraft propeller.Compare backwash(def2) backwash(def2), wash(def31) wash(def31).", "the airstream generating reduced air pressure and forward suction directly behind a rapidly moving vehicle."]}, {"Bold_text": "verb (used without object)", "List Items": ["to ride in the slipstream of a fast-moving vehicle."]}]