Diptych
Pronunciation : Dip"tych
Part of Speech : n.
Etymology : [L. diptycha, pl., fr. Gr.
Definition : 1. Anything consisting of two leaves. Especially: (a) (Roman Antiq.) A writing tablet consisting of two leaves of rigid material connected by hinges and shutting together so as to protect the writing within. (b) 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.
Source : Webster's Unabridged Dictionary, 1913