Main Entry: dip·tych

Pronunciation: \ˈdip-(ˌ)tik\

Function: noun

Etymology: Late Latin diptycha, plural, from Greek, from neuter plural of diptychos folded in two, from di- + ptychē fold

Date: 1622

1 : a 2-leaved hinged tablet folding together to protect writing on its waxed surfaces
2 : a picture or series of pictures (as an altarpiece) painted or carved on two hinged tablets
3 : a work made up of two matching parts

[diptych illustration]