Co

¹

Symbol, Chemistry.

1. cobalt.

CO

²

abbreviation

1. Colorado (approved especially for use with zip code).

2. commanding officer.

3. conscientious objector.

Co.

³

Or co.

abbreviation

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

1. care of.

2. carried over.

C.O.

⁹

abbreviation

1. cash order.

2. Commanding Officer.

3. conscientious objector.

4. correction officer.

CO

¹

abbreviation

1. Commanding Officer

2. Commonwealth Office

3. conscientious objector

4. Colorado

5. Colombia (international car registration)

co-

²

prefix

1. together; joint or jointly; mutual or mutually

   coproduction

2. indicating partnership or equality

   cofounder

   copilot

3. to the same or a similar degree

   coextend

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

   cosecant

   codeclination

Co

³

abbreviation

1. (esp in names of business organizations) Company

2. informal,  and the rest of them

   Harold and co

c/o

⁴

abbreviation

1. care of

2. accounting carried over

co

⁵

abbreviation

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

2. Colombia

Co

⁶

symbol

1. cobalt

Co

⁷

abbreviation

1. County

Word History and Origins

Origin of Co¹

from Latin, reduced form of _com-

Example Sentences

On April 3, 1882, the city permitted the Los Angeles Telephone Co. to string lines within city limits.

From Los Angeles Times

They also gave the Queen a Tiffany & Co vintage 18-carat gold, diamond and ruby flower brooch.

From BBC

Chinatown’s Paper Plant Co. is her stationery outpost, made of two small storefronts that share a space with Thank You Coffee and boast outdoor seating.

From Los Angeles Times

After a lengthy court battle, the Walt Disney Co. began complying with the law two years ago and agreed to a $233-million settlement in the class-action case that an Orange County judge recently approved.

From Los Angeles Times

In Culver City, McCourt Partners has recently joined with Lincoln Property Co. to take over and redesign a proposed apartment complex on Jefferson Boulevard.

From Los Angeles Times