NCO

noun

ˌen-(ˌ)sē-ˈō How to pronounce NCO (audio)
: noncommissioned officer

Examples of NCO in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Other announced training institutions include two new non-commissioned officer (NCO) colleges. — Christopher McFadden, Interesting Engineering, 3 Oct. 2026 An evacuation order for Nevada County zone NCO-E379-A was reduced to a warning late Friday afternoon, meaning residents in the affected area could return home. — Cecilio Padilla, CBS News, 18 Sep. 2026 The Sheriff’s Office later placed zone NCO-E050 under an evacuation warning. — Sacbee.com, 21 Aug. 2026 The film was originally produced by The British Film Institute (London), Leila Films (Paris), The Ministry of Culture (Belgium), NCO, and NOVIB (Holland). — Samantha Bergeson, IndieWire, 19 Feb. 2025 See All Example Sentences for NCO

Word History

First Known Use

circa 1810, in the meaning defined above

Time Traveler
The first known use of NCO was circa 1810

Browse Nearby Words

NCAA
NCO
nCoV
See all Nearby Words

Cite this Entry

“NCO.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/NCO. Accessed 9 Oct. 2026.

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