Armco

A1R1M3C3O1

noun

A type of metal roadside safety barrier.

“The car skidded off the road and crashed into the Armco.”

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Meanings

nounArmco (uncountable)
  1. uncountablegenericized trademarkA type of metal roadside safety barrier.

    The car skidded off the road and crashed into the Armco.

Origin

From the initials of the name of steel manufacturer The American Rolling Mill Company (now AK Steel Holding Corporation).

Full word history & related roots →

Rhymes & wordplay

Anagrams

macromarcoCoramComarcaromcromaMocra
Cite this entry
APA

Armco. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/Armco

MLA

“Armco.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Armco. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “Armco,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/Armco.

Source: Armco on Wiktionary, CC BY-SA 4.0.