Dictionary

speed bump

noun

: a low raised ridge across a road or parking lot that causes people to drive more slowly

Full Definition of SPEED BUMP

:  a low raised ridge across a roadway (as in a parking lot) to limit vehicle speed
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First Known Use of SPEED BUMP

1972
SPEED BUMP Defined for Kids

speed bump

noun

Definition of SPEED BUMP for Kids

:  a low ridge built across a roadway (as in a parking lot) to limit vehicle speed

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