What does CO mean?

Definitions for CO

Here are all the possible meanings and translations of the word CO.

Princeton's WordNet

  1. carbon monoxide, carbon monoxide gas, CO(noun)

    an odorless very poisonous gas that is a product of incomplete combustion of carbon

  2. cobalt, Co, atomic number 27(noun)

    a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition

  3. conscientious objector, CO(noun)

    one who refuses to serve in the armed forces on grounds of conscience

  4. Colorado, Centennial State, CO(noun)

    a state in west central United States in the Rocky Mountains


  1. co(Noun)


  2. co(Pronoun)

    they .

  3. co(Pronoun)

    them .

  4. co(Abbreviation)

    care of

  5. co(Abbreviation)

    [certificate of origin] a document used for shipping purposes. Describes country of origin of a given product.

  6. Co(Abbreviation)

    company ,


  1. co

    .co is the Internet country code top-level domain assigned to Colombia. It is administered by .CO Internet S.A.S., a strategic venture formed between Arcelandia S.A. and Neustar, Inc. As of July 10, 2010, there are no registration restrictions on second-level .co domains; any individual or entity in the world can register a .co domain. Some examples of .co use include Twitter, AngelList, ENTER, 500 Startups, Aspen Group, and Google Inc.. Some companies such as American Express and Starbucks are using .co for URL shortening in social media. .co domain names are available for registration globally through accredited registrars. .CO Internet S.A.S was appointed as the manager for the .co TLD through a public procurement process that took place in early 2009. .CO Internet received the re-delegation approval as the manager of the .co TLD by ICANN on December 9, 2009, and received formal confirmation of the request by the United States Department of Commerce on December 23, 2009.

Suggested Resources

  1. co

    Song lyrics by co -- Explore a large variety of song lyrics performed by co on the Lyrics.com website.

British National Corpus

  1. Nouns Frequency

    Rank popularity for the word 'CO' in Nouns Frequency: #1001

How to pronounce CO?

  1. Alex
    US English

How to say CO in sign language?


  1. Chaldean Numerology

    The numerical value of CO in Chaldean Numerology is: 1

  2. Pythagorean Numerology

    The numerical value of CO in Pythagorean Numerology is: 9

Images & Illustrations of CO


Popularity rank by frequency of use


Translations for CO

From our Multilingual Translation Dictionary

Get even more translations for CO »


Find a translation for the CO definition in other languages:

Select another language:

  • - Select -
  • 简体中文 (Chinese - Simplified)
  • 繁體中文 (Chinese - Traditional)
  • Español (Spanish)
  • Esperanto (Esperanto)
  • 日本語 (Japanese)
  • Português (Portuguese)
  • Deutsch (German)
  • العربية (Arabic)
  • Français (French)
  • Русский (Russian)
  • ಕನ್ನಡ (Kannada)
  • 한국어 (Korean)
  • עברית (Hebrew)
  • Gaeilge (Irish)
  • Українська (Ukrainian)
  • اردو (Urdu)
  • Magyar (Hungarian)
  • मानक हिन्दी (Hindi)
  • Indonesia (Indonesian)
  • Italiano (Italian)
  • தமிழ் (Tamil)
  • Türkçe (Turkish)
  • తెలుగు (Telugu)
  • ภาษาไทย (Thai)
  • Tiếng Việt (Vietnamese)
  • Čeština (Czech)
  • Polski (Polish)
  • Bahasa Indonesia (Indonesian)
  • Românește (Romanian)
  • Nederlands (Dutch)
  • Ελληνικά (Greek)
  • Latinum (Latin)
  • Svenska (Swedish)
  • Dansk (Danish)
  • Suomi (Finnish)
  • فارسی (Persian)
  • ייִדיש (Yiddish)
  • հայերեն (Armenian)
  • Norsk (Norwegian)
  • English (English)

Word of the Day

Would you like us to send you a FREE new word definition delivered to your inbox daily?

Please enter your email address:

Discuss these CO definitions with the community:



    Use the citation below to add this definition to your bibliography:


    "CO." Definitions.net. STANDS4 LLC, 2021. Web. 14 May 2021. <https://www.definitions.net/definition/CO>.

    Are we missing a good definition for CO? Don't keep it to yourself...

    Browse Definitions.net

    Free, no signup required:

    Add to Chrome

    Get instant definitions for any word that hits you anywhere on the web!

    Free, no signup required:

    Add to Firefox

    Get instant definitions for any word that hits you anywhere on the web!


    Are you a words master?

    (of a glutinous liquid such as paint) not completely dried and slightly sticky to the touch
    • A. indiscernible
    • B. elusive
    • C. tacky
    • D. aculeate

    Nearby & related entries:

    Alternative searches for CO: