CO: Meaning and Definition of

CO

Pronunciation: [key]
  1. Colorado (approved esp. for use with zip code).
  2. Commanding Officer.
  3. conscientious objector.

Co

Pronunciation: [key]
— Symbol, Chem.
  1. cobalt.

co-

Pronunciation: [key]
  1. var. ofbefore a vowel, h, and gn: coadjutor; cohabit; cognate. The prefixnow 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).

Co.

Pronunciation: [key]
  1. Company.
  2. County.

C/O

Pronunciation: [key]
  1. cash order.
  2. certificate of origin.

C/o

Pronunciation: [key]
  1. care of.
  2. carried over.

c/o

Pronunciation: [key]
  1. care of.
  2. carried over.
  3. cash order.

C.O.

Pronunciation: [key]
  1. cash order.
  2. Commanding Officer.
  3. conscientious objector.
  4. correction officer.

c.o.

Pronunciation: [key]
  1. care of.
  2. carried over.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
  • co (Thesaurus)