Dictionary

guardrail

noun guard·rail \ˈgärd-ˌrāl\

: 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.

Full Definition of GUARDRAIL

:  a railing guarding usually against danger; especially :  a barrier placed along the edge of a highway at dangerous points
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First Known Use of GUARDRAIL

1860

Related to GUARDRAIL

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