This section is from the book "The Home Cyclopedia Of General Information", by Charles Morris. Also available from Amazon: Home Cyclopedia of Necessary Knowledge.
[Gk. pyxis, a box ; pyzos, box-wood.] The sacred box in the Roman Catholic Church in which the host is preserved ; the box at the Mint which holds the sample coins that have been tested for the weight and fineness of the metal; the box in which the compass is suspended.
 
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