- broken stone, cinders, etc., used for making roads.
Origin of road metal
First recorded in 1810–20
Also called metal.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for road metal
One's first thought was that at least a bit of road-metal might have been put upon it.Ruggles of Red Gap
Harry Leon Wilson
To be converted into road-metal has doubtless been its fate.Highways and Byways in The Border
Then the excavations had been filled up again, and the road-metal carts had come.Mushroom Town
Six trips were run during the day, and 69 tons of coal and road-metal were transported.Minimum Gauge Railways
It does not break up the given material into road-metal and gravel, but erects a building with it.
- crushed rock, broken stone, etc, used to construct a road
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