pyxes

noun

• A small, usually round container used to hold the consecrated bread of the Eucharist, especially used to bring communion to the sick, or others who are unable to attend Mass.
• 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.
• The box in which the compass is suspended; the binnacle.
• Pyxis.