Definition of silent policeman in English:

silent policeman

noun

Australian, NZ

单词	silent policeman
释义	Definition of silent policeman in English: silent policeman noun Australian, NZ A traffic-control device in the form of a raised dome set into a road surface at junctions and on corners to control speed and positioning. the silent policeman is visible in the middle of Chestnut Street Example sentencesExamples In an effort to control traffic flow, many towns installed a silent policeman. They intended the silent policeman to expedite traffic, but it did not. One of his wheels hit the right hand side of the silent policeman. The silent policeman is visible in the middle of the street. There is to be a silent policeman at the intersection of the two highways.
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