antecommunion

from The Century Dictionary.

• Before communion: as, the antecommunion service.
• noun That part of the communion office in the Book of Common Prayer which precedes the communion service proper, and is said on Sundays and other holy days though there be no communion.

from the GNU version of the Collaborative International Dictionary of English.

• noun A name given to that part of the Anglican liturgy for the communion, which precedes the consecration of the elements.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun The part of the Anglican communion liturgy that precedes the consecration of the elements.