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A cloth used to clean the chalice during or after the celebration of the Eucharist.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Ecclesiastical Terms) Christianity a small white linen cloth used to wipe the chalice and paten and also the lips and fingers of the celebrant at the Eucharist
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
pu•ri•fi•ca•tor(ˈpyʊər ə fɪˌkeɪ tər)
a linen cloth used during the celebration of communion to wipe the chalice or the celebrant's hands.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.