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

Shares of Wendy’s Co. rallied in early Friday trading, after the fast-food chain reported third-quarter results that showed that, while its business was still struggling, it was actually doing better than Wall Street had expected.

Read more on MarketWatch

Shares of Wendy’s Co. rallied in early Friday trading, after the fast-food chain reported third-quarter results that showed that, while its business was still struggling, it was actually doing better than Wall Street had expected.

Read more on MarketWatch

After he got tired of working at a music nonprofit in Brooklyn, N.Y., he went to business school and became a consultant at McKinsey & Co.

Read more on The Wall Street Journal

Musk’s tunneling venture, the Boring Co., was initially founded as a subsidiary of SpaceX and has frequently worked with Tesla.

Read more on MarketWatch

Ford Motor Co. executives are considering scrapping the electric version of the carmaker’s F-150 pickup truck, the Wall Street Journal reported Thursday, citing people familiar with the matter.

Read more on MarketWatch