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  • C.S.O.
    C.S.O.
    abbreviation
    Chief Signal Officer.
  • CSO
    CSO
    abbreviation
    community support officer

C.S.O.

American  
Or CSO

abbreviation

  1. Chief Signal Officer.

  2. Chief Staff Officer.


CSO British  

abbreviation

  1. community support officer

"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

Example Sentences

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When asked to assume the position of C.S.O.,

From New York Times ● Jul. 28, 2011

Cesar Chavez went about it by working with the C.S.O. among Mexican Americans for ten years.

From Time Magazine Archive

The use of only peaceful means has been central to his thinking since a 1953 showdown in the San Joaquin Valley between his Mexican-American C.S.O. pickets and a public official.

From Time Magazine Archive

On December 6th Captain Romer took over the appointment of C.S.O.,

From The Second Battalion Royal Dublin Fusiliers in the South African War With a Description of the Operations in the Aden Hinterland by Cecil Francis Romer

Then the staff group broke up, and the C.S.O. explained the possibilities of the situation.

From The Siege of Mafeking (1900) by J. Angus Hamilton

Ireland's statistics office, the CSO, said Thursday the exceptional revision was due to the incorporation of data related to multinational companies, which carry significant weight in the Irish economy.

From Barron's ● Jun. 5, 2026

Delgado participated in their benefit show to raise money for Centro CSO, an organization that helps undocumented people.

From Los Angeles Times ● Nov. 6, 2025

To get there, it will mine untapped potential in China’s smaller, lesser-known cities, and more remote locations, the CSO said.

From The Wall Street Journal ● Oct. 17, 2025

Newcastle play Polish side Dziki Warsaw in the semi-final, with the chance to face either Inter Bratislava or Romanian side CSO Voluntari in the final.

From BBC ● Apr. 7, 2025

The cost involved was significant, we had a CSO working in conjunction with the Commonwealth Police for almost three months full time.

From Underground by Suelette Dreyfus

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