n. - The box, case, vase, or tabernacle, in which the host is reserved.
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.
n. - The box in which the compass is suspended; the binnacle.
n. - Same as Pyxis.
v. t. - To test as to weight and fineness, as the coins deposited in the pyx.