rumble strip noun
plural rumble strips
plural rumble strips
Learner's definition of RUMBLE STRIP
[count]
: a set of grooves along the edge of a highway or across a road that cause noise and shaking when they are driven over and that are used to warn drivers that they need to slow down or are too close to the edge of the road（道路路沿或路中的）减速震动带，停车震动带