Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “CO”

See all translations

CO

noun uk   /ˌsiːˈəʊ/ us    /-ˈoʊ/

CO noun (MILITARY)

[C] abbreviation for Commanding Officer: a person in charge of a military unit

CO noun (ADDRESS)

written abbreviation for the US state of Colorado: used in addresses
Translations of “CO”
in Spanish compañía…
in French société…
in German Co.…
in Chinese (Traditional) 指揮官, 司令…
in Russian компания, графство…
in Turkish şirket, kendi bölgesel hükümeti olan ülke/memleket…
in Chinese (Simplified) 指挥官, 司令…
in Polish Sp. (= = spółka), hr. (= = hrabstwo)…
(Definition of CO noun from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of CO?
Add Cambridge dictionaries to your browser to your website

Definitions of “CO” in other dictionaries

Word of the Day

glacial

made or left by a glacier

Word of the Day

Let’s celebrate! (words and phrases for parties)

by Kate Woodford,
December 17, 2014
​​​ With Christmas and New Year almost upon us, we thought it a good time to look at the language of parties and celebrations. First, let’s start with the word ‘party’ itself. To have or throw a party or, less commonly, to give a party is to arrange a party: We’re having a

Read More 

cinderella surgery noun

December 15, 2014
cosmetic surgery to the feet We have all heard of people having nose jobs, boob jobs and liposuction – but now a new trend growing in popularity in America: Cinderella surgery.

Read More