Co

¹

Symbol, Chemistry.

1. cobalt.

CO

²

abbreviation for

1. Colorado (approved especially for use with zip code).
2. commanding officer.
3. conscientious objector.

Co.

³

or co.

abbreviation for

1. Company.
2. County.

c/o

⁴

1. care of.
2. Bookkeeping. carried over.
3. cash order.

C/o

⁵

1. care of.
2. Bookkeeping. carried over.

C/O

⁶

1. cash order.
2. certificate of origin.

co-

⁷

1. variant of com- before a vowel, h, and gn: coadjutor; cohabit; cognate . The prefix co- now productively forms new words from bases beginning with any sound ( co-conspirator; co-manage; coseismic ), sometimes with the derived sense “auxiliary, subsidiary” ( coenzyme; copilot ), and, in mathematics and astronomy, with the sense “complement” ( codeclination ).

c.o.

⁸

abbreviation for

1. care of.
2. carried over.

C.O.

⁹

abbreviation for

1. cash order.
2. Commanding Officer.
3. conscientious objector.
4. correction officer.

c/o

¹

abbreviation for

1. care of
2. accounting carried over

Co

²

the chemical symbol for

1. cobalt

co-

³

prefix

1. together; joint or jointly; mutual or mutually

   coproduction

2. indicating partnership or equality

   copilot

   cofounder

3. to the same or a similar degree

   coextend

4. (in mathematics and astronomy) of the complement of an angle

   codeclination

   cosecant

Co

⁴

abbreviation for

1. esp in names of business organizations Company
2. and co informal.
   and cokəʊ and the rest of them

   Harold and co

Co

⁵

abbreviation for

1. County

CO

⁶

abbreviation for

1. Commanding Officer
2. Commonwealth Office
3. conscientious objector
4. Colorado
5. Colombia (international car registration)

co

⁷

the internet domain name for

1. a commercial company (used with a country domain name)
2. Colombia

Word History and Origins

Origin of Co¹

from Latin, reduced form of com-

Example Sentences

The effort to sterilize his image first began when Epstein hired Los Angeles-based spin doctors Sitrick Co.

From The Daily Beast

Reached Tuesday, a Sitrick Co. rep confirmed they parted ways with Epstein in April 2011.

From The Daily Beast

They say it's frightening how the real CIA is perceived to be as clueless as Archer Co.

From The Daily Beast

Eva Silverman, who co-hosts an Oakland Dinner Party, agrees.

From The Daily Beast

But probably because we co-edited the Deadline Artists anthologies with our friend Jesse Angelo, we feel a fidelity to the form.

From The Daily Beast

In this case, I suspect, there was co-operant a strongly marked childish characteristic, the love of producing an effect.

From Project Gutenberg

The conception of the relation of this institution with them as co-operative makes headway slowly.

From Project Gutenberg

Then they were to co-operate with an army moving up from Arkansas, and the State would be redeemed.

From Project Gutenberg

And the Process or Method of study, if it be an Assimilating one, also compels this co-operation.

From Project Gutenberg

The leaguers were now anxious to co-operate with the Americans in compelling the Spaniards to evacuate the Archipelago.

From Project Gutenberg

Related Words

• administration
• administrator
• boss
• chief
• commander
• director
• entrepreneur
• government
• leader
• management
• manager
• officer
• official
• supervisor