Last Updated
：2025/11/21
guardrail
（ plural ）
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A rail set alongside a dangerous place as a barrier, to improve safety. / (figuratively, by extension) Any barrier designed to prevent accidents or mistakes.
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guardrail
The hiker leaned against the guardrail to catch his breath while admiring the canyon view.
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The hiker leaned against the guardrail to catch his breath while admiring the canyon view.
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