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guardrail

[ gahrd-reyl ]
/ ˈgɑrdˌreɪl /
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noun

Also guardrailing. a protective railing, as along a road or stairway.
Railroads. a rail laid parallel to a track to prevent derailment or to keep derailed rolling stock from leaving the roadbed.

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Origin of guardrail

First recorded in 1825–35; guard + rail1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use guardrail in a sentence

British Dictionary definitions for guardrail

guardrail
/ (ˈɡɑːdˌreɪl) /

noun

a railing at the side of a staircase, road, etc, as a safety barrier
Also called (Brit): checkrail railways a short metal rail fitted to the inside of the main rail to provide additional support in keeping a train's wheels on the track
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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