noun.
A person who receives (or is allowed to receive) the sacrament of Holy Communion
adjective.
Communicating.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a person entitled to receive Communion
Word Usage
"Auden, who cannot have read many advice columns, was publicly known as a communicant of the Episcopal Church, a return in his celebrated genius to the church of his English boyhood."