'Diptych' definitions:

Definition of 'diptych'

From: WordNet
noun
A painting or carving (especially an altarpiece) on two panels (usually hinged like a book)

Definition of 'Diptych'

From: GCIDE
  • Diptych \Dip"tych\, n. [L. diptycha, pl., fr. Gr. ? folded, doubled; di- = di`s- twice + ? to fold, double up.]
  • 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. [1913 Webster]
  • 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. [1913 Webster]

Synonyms of 'diptych'

From: Moby Thesaurus