guardrail.
A rail set alongside a dangerous place as a barrier, to improve safety.
Meaning & usage
A rail set alongside a dangerous place as a barrier, to improve safety.
A rail set alongside a dangerous place as a barrier, to improve safety. A strengthened barrier installed on the sides of a (usually major) road to keep vehicles on the highway and reduce the risk and/or impact of crashes.
Any barrier designed to prevent accidents or mistakes.
Synonym of check rail.
Where this word comes from
From guard + rail.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.