Meaning

1. The act or fact of communicating anything; transmission.
2. The concept or state of exchanging data or information between entities.
3. A message; the essential data transferred in an act of communication.
4. The body of all data transferred to one or both parties during an act of communication.
5. An instance of information transfer; a conversation or discourse.
6. A passageway or opening between two locations; connection.
7. A connection between two tissues, organs, or cavities.
8. (obsolete) Association; company.
9. Participation in Holy Communion.
10. A trope by which a speaker assumes that his hearer is a partner in his sentiments, and says "we" instead of "I" or "you".