Noun

(en noun)

(countable) The act of uniting or joining two or more things into one.

(uncountable) The state of being united or joined.

(countable) That which is united, or made one; something formed by a combination or coalition of parts or members; a confederation; a consolidated body; a league.

(countable) A trade union; a workers' union.

* , chapter=22

, title= The Mirror and the Lamp , passage=In the autumn there was a row at some cement works about the unskilled labour men. A union had just been started for them and all but a few joined. One of these blacklegs was laid for by a picket and knocked out of time.}}

(countable) A joint or other connection uniting parts of machinery, such as pipes.

(countable, set theory) The set containing all of the elements of two or more sets.

(countable) The act or state of marriage.

(uncountable, archaic, euphemistic) Sexual intercourse.

(countable, computing) A data structure that can store any of various items, but only one at a time.

A large, high-quality pearl.

*, II.3.3:

Nonius the senator hath a purple coat as stiff with jewels as his mind is full of vices; rings on his fingers worth 20,000 sesterces, andan union in his ear worth an hundred pounds' weight of gold […].

Noun

(wikipedia communication) (en noun)

The act or fact of communicating anything; transmission.

communication of smallpox

communication of a secret

(uncountable) The concept or state of exchanging data or information between entities.

Some say that communication is a necessary prerequisite for sentience; others say that it is a result thereof.

The node had established communication with the network, but had as yet sent no data.

A message; the essential data transferred in an act of communication.

Surveillance was accomplished by means of intercepting the spies' communications .

The body of all data transferred to one or both parties during an act of communication.

The subpoena required that the company document their communication with the plaintiff.

An instance of information transfer; a conversation or discourse.

The professors' communications consisted of lively discussions via email.

* Shakespeare

Argument and friendly communication .

A passageway or opening between two locations; connection.

A round archway at the far end of the hallway provided communication to the main chamber.

* Arbuthnot

The Euxine Sea is conveniently situated for trade, by the communication it has both with Asia and Europe.

(anatomy) A connection between two tissues, organs, or cavities.

* 1855, William Stokes, The Diseases of the Heart and the Aorta Page 617

...and here a free communication had been established between the aorta and the vena cava.

(obsolete) association; company

* Bible, 1 Corinthians xv. 33

Evil communications corrupt manners.

Participation in the Lord's supper.

(Bishop Pearson)

(rhetoric) A trope by which a speaker assumes that his hearer is a partner in his sentiments, and says "we" instead of "I" or "you".

(Beattie)