Diptych
Diptych , noun
[Latin diptycha, pl., from Greek {not transcribed} folded, doubled; di- = di`s- twice + {not transcribed} to fold, double up.]
1.
(Roman Antiquities) Anything consisting of two leaves.
(a)
(Roman Antiquities) A writing tablet consisting of two leaves of rigid material connected by hinges and shutting together so as to protect the writing within.
(b)
(Roman Antiquities) A picture or series of pictures painted on two tablets connected by hinges. See Triptych.
2.
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.