Standard Lemma guide

Armco

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • CMU ARPABET: AA1 R M K OW2 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

A type of metal roadside safety barrier.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Qualifier: genericized trademark

Examples

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

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

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