Definition of Guardrail

Babylon English Dictionary
banister, handrail, rail (to prevent falling, accidents, etc.)
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Guardrail Definition from Language, Idioms & Slang Dictionaries & Glossaries
WordNet 2.0

Noun
1. a railing placed alongside a stairway or road for safety
(synonym) safety rail
(hypernym) railing, rail
Guardrail Definition from Encyclopedia Dictionaries & Glossaries
Wikipedia English - The Free Encyclopedia
Guardrail can refer to

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