What is "pyx cloth"

Pyx \Pyx\, n. [L. pyxis a box, Gr. pyxi`s a box, especially of boxwood, fr. py`xos the box tree or boxwood. See Box a receptacle.] [Written also pix.]

1. (R. C. Ch.) The box, case, vase, or tabernacle, in which the host is reserved.

2. A box used in the British mint as a place of deposit for certain sample coins taken for a trial of the weight and fineness of metal before it is sent from the mint.
   --Mushet.

3. (Naut.) The box in which the compass is suspended; the binnacle.
   --Weale.

4. (Anat.) Same as Pyxis.

   Pyx cloth (R. C. Ch.), a veil of silk or lace covering the pyx.

   Trial of the pyx, the annual testing, in the English mint, of the standard of gold and silver coins.
   --Encyc. Brit.