Definition of pyx in English:



  • 1Christian Church
    The container in which the consecrated bread of the Eucharist is kept.

    • ‘Romans used ivory for pyxes and on furniture.’
    • ‘As our prayers unfold, I remove the pyx from my shirt pocket.’
    • ‘Similarly, the consecrated host was to be kept in a fitting manner, in a pyx, a small box made of silver or ivory which could be locked.’
    • ‘He wanted to restore to churches what he called ‘the real thing: vestments, pyxes, sedilia, road screens.’’
  • 2(in the UK) a box at the Royal Mint in which specimen gold and silver coins are deposited to be tested annually at the trial of the pyx by members of the Goldsmiths' Company.

    • ‘The pyx is the strong-box in which the coins are delivered to the jury.’


Late Middle English: from Latin pyxis, from Greek puxis ‘box’.