Armco

noun

trademark a metal safety barrier erected at the side of motor-racing circuits, esp on corners

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

Examples from the Web for armco

Contemporary Examples of armco

At some point, the brothers decided to head up to Kansas City and found jobs at Armco, still known locally as Sheffield Steel.
Those Kansas City Blues: A Family History
Katie Baker
October 24, 2014