| NOUN | artifact | crash barrier | a strong protective barrier that is erected around a racetrack or in the middle of a dual-lane highway in order to reduce the likelihood of severe accidents |
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| Meaning | A strong protective barrier that is erected around a racetrack or in the middle of a dual-lane highway in order to reduce the likelihood of severe accidents. | |
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| Broader | barrier | A structure or object that impedes free movement |
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