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guardrail

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noun guard·rail \ˈgärd-ˌrāl\

Simple Definition of guardrail

  • : 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.

Source: Merriam-Webster's Learner's Dictionary

Full Definition of guardrail

  1. :  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

  1. <the car ran off the road, but fortunately only hit the guardrail>



1860

First Known Use of guardrail

1860


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