diptych
Pronunciation:
/ˈdɪptɪk/noun
Definitions
A writing tablet consisting of two leaves of rigid material connected by hinges and shutting together so as to protect the writing within.
A picture or series of pictures painted on two tablets, usually connected by hinges.
A double catalogue, containing in one part the names of living, and in the other of deceased, ecclesiastics and benefactors of the church.
A catalogue of saints.