Pyx
Webster's Dictionary [1]
(1): ( n.) Same as Pyxis.
(2): ( v. t.) To test as to weight and fineness, as the coins deposited in the pyx.
(3): ( n.) The box in which the compass is suspended; the binnacle.
(4): ( n.) 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.
(5): ( n.) The box, case, vase, or tabernacle, in which the host is reserved.
The Nuttall Encyclopedia [2]
The name of a cup-shaped, gold-lined vessel, with lid, used in the Roman Catholic churches for containing the eucharistic elements after their consecration either for adoration in the churches or for conveying to sick-rooms. Pyx means "box." Hence
he annual test of the British coinage, for which purpose one coin in every 15 lbs. of gold and one in every 60 lbs. of silver coined is set aside in a pyx or box.
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Cyclopedia of Biblical, Theological and Ecclesiastical Literature [3]
Bibliography Information McClintock, John. Strong, James. Entry for 'Pyx'. Cyclopedia of Biblical, Theological and Ecclesiastical Literature. https://www.studylight.org/encyclopedias/eng/tce/p/pyx.html. Harper & Brothers. New York. 1870.