rumble strip
noun
Definition of rumble strip
: a strip of corrugated pavement (as along the edge of a highway) that causes rumbling and vibration when driven over
From the M-W Editors
First Known Use of rumble strip
1957
RUMBLE STRIP Defined for English Language Learners
rumble strip
noun
Definition of rumble strip for English Language Learners
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: 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
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