Definition of guardrail
: a railing guarding usually against danger; especially : a barrier placed along the edge of a highway at dangerous points
Examples of guardrail in a sentence
the car ran off the road, but fortunately only hit the guardrail
First Known Use of guardrail
GUARDRAIL Defined for English Language Learners
Definition of guardrail for English Language Learners
: a strong metal bar along the side of a road that prevents vehicles from driving off the road
: a strong bar or fence that prevents people from falling off a deck, bridge, etc.
Seen and Heard
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