guard rail definition, meaning - what is guard rail in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online

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English definition of “guard rail”

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guard rail

noun [C] uk   us  
a bar along the edge of something steep, such as stairs or a cliff, to prevent people from falling off
Translations of “guard rail”
in Chinese (Traditional) 護欄, 扶欄…
in Chinese (Simplified) 护栏, 扶栏…
(Definition of guard rail from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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