Definition of pyx
1 : a container for the reserved host; especially : a small round metal receptacle used to carry the Eucharist to the sick
2 : a box used in a mint for deposit of sample coins reserved for testing weight and fineness
Origin and Etymology of pyx
Middle English, from Medieval Latin pyxis, from Latin, box, from Greek, from pyxos box (shrub)
First Known Use: 15th century
Seen and Heard
What made you want to look up pyx? Please tell us where you read or heard it (including the quote, if possible).