'Pyx' definitions:

Definition of 'pyx'

noun

A chest in which coins from the mint are held to await assay [syn: pyx, pix, pyx chest, pix chest]

noun

Any receptacle in which wafers for the Eucharist are kept [syn: pyx, pix]

From: GCIDE

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. [1913 Webster]
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. [1913 Webster]
3. (Naut.) The box in which the compass is suspended; the binnacle. --Weale. [1913 Webster]
4. (Anat.) Same as Pyxis. [1913 Webster]
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. [1913 Webster]

From: GCIDE

Pyx \Pyx\, v. t. To test as to weight and fineness, as the coins deposited in the pyx. [Eng.] --Mushet. [1913 Webster]