Noun

(uncountable) The quality of being organized.

* {{quote-magazine, date=2013-08-03, volume=408, issue=8847, magazine=(The Economist)

, title= The machine of a new soul , passage=The yawning gap in neuroscientists’ understanding of their topic is in the intermediate scale of the brain’s anatomy. Science has a passable knowledge of how individual nerve cells, known as neurons, work. It also knows which visible lobes and ganglia of the brain do what. But how the neurons are organised in these lobes and ganglia remains obscure. Yet this is the level of organisation that does the actual thinking—and is, presumably, the seat of consciousness.}}

(uncountable) The way in which something is organized, such as a book or an article.

(countable) A group of people or other legal entities with an explicit purpose and written rules.

(countable) A group of people consciously cooperating.

(baseball) A major league club and all its farm teams.

Noun

(en-noun)

the act of coordinating, making different people or things work together for a goal or effect.

* 1919: Robert W. Chambers, In Secret

Then there's the State Service and the police and several other services. And there is no proper co-ordination , no single head for all these agencies.

the resulting state of working together; cooperation; synchronization

* 1900: Irving Bacheller, Eben Holden, A Tale of the North Country

We stood dodging each other a moment with that unfortunate co-ordination of purpose men sometimes encounter when passing each other.

the ability to coordinate one's senses and physical movements in order to act skillfully.

I'm terrible at sports -- I have no coordination .

(possibly archaic) the state of being equal in rank or power.

* c. 1833: Samuel Taylor Coleridge, Specimens of the Table Talk of Samuel Taylor Coleridge

There are two possible modes of unity in a State; one by absolute coordination of each to all, and of all to each; the other by subordination of classes and offices.

(grammar) an equal joining together two or more phrases or clauses, for example, using and'', ''or'', or ''but .

(chemistry) The reaction of one or more ligands with a metal ion to form a coordination compound