to make a vehicle stop by making a signal to the driver with your arms
I waved down the first car that came along.
phrasewave down wave down sth/sb • wave sth/sb down to make a vehicle stop by waving your arms at the driver: Yuko managed to wave down a taxi and asked to be taken to Shibuya station.The officer stepped out into the street, and raised his hand to wave the driver down.■ SIMILAR TO: flag down
wave down
To signal with one's hand for someone or something to stop or come over to one's location. A noun or pronoun can be used between "wave" and "down." I managed to wave a car down to help me fix my tire on the side of the road.We're already running late, so let's just wave down a cab.
wave down
v.
To signal and cause someone or something to stop by waving the hand or arm: I waved down a cab. The stranded motorist waved a police car down.