|Origin:||communio, from communis; COMMON1|
1 [uncountable] also Holy CommunionRRC
the Christian ceremony in which people eat bread and drink wine as signs of Christ's body and blood
2 [uncountable] formal
a special relationship with someone or something which makes you feel that you understand them very well
Prayer is a form of communion with God.
3 [countable] formalRR
a group of people or organizations that share the same religious beliefs [= denomination]:
He belongs to the Anglican communion.