diptych

/หˆdษชptษชk/

IPA: /D IH1 P T IH0 K/

noun
  1. 1

    A writing tablet consisting of two leaves of rigid material connected by hinges and shutting together so as to protect the writing within.

  2. 2

    A picture or series of pictures painted on two tablets, usually connected by hinges.

  3. 3

    A double catalogue, containing in one part the names of living, and in the other of deceased, ecclesiastics and benefactors of the church.

  4. 4

    A catalogue of saints.

  5. 5

    Artistically-wrought tablets distributed by consuls, etc. of the later Roman Empire to commemorate their tenure of office; hence transferred to a list of magistrates

Source: https://en.wiktionary.org/wiki/diptych