Communion-cloth
communion cloth
A long white linen cloth, extended along the altar-rail and held over it by communicants, to receive the particles of Sacred Host which may by chance fall. It is replaced in most churches by the Communion plate, or paten.
Fuente: New Catholic Dictionary
Communion-cloth
is a long cloth of white linen spread over the altar-rails at the time of communion, held at each end by an acolyte, and supported by each of the faithful who come to communicate, so that no irreverence, by accident or otherwise, may occur to the sacrament.