/ kəˈmjuːniən; NAmE / noun
1.
(also Com·mu·nion , ˌHoly Comˈmunion ) [ U ] a ceremony in the Christian Church during which people eat bread and drink wine in memory of the last meal that Christ had with his disciples :
to go to Communion (= attend church for this celebration)
to take / receive communion (= receive the bread and wine)
—see also Eucharist , mass
2.
[ U ] communion (with sb/sth) ( formal ) the state of sharing or exchanging thoughts and feelings; the feeling of being part of sth :
poets living in communion with nature
3.
[ C ] ( technical ) a group of people with the same religious beliefs :
the Anglican communion
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WORD ORIGIN
late Middle English : from Latin communio(n-) , from communis common.