Koinonia is the anglicisation of a Greek word (κοινωνία) that means communion by intimate participation. The word is used frequently in the New Testament of the Bible to describe the relationship within the Early Christian church as well as the act of breaking bread in the manner which Christ prescribed during the Passover meal . As a result the word is used within the Christian Church to participate, as Paul says, in the Communion of - in this manner it identifies the idealised state of fellowship and community that should exist - Communion.
Read more about Koinonia: New Testament Usage of koinonia, The Spiritual Meaning of Koinonia, The Sacramental Meaning of Koinonia, The Problem Associated With The Etymological Meaning of Koinonia