Definition of: triptych

(trip′tik) noun
1. A picture, carving, or work of art on three panels side by side.
2. Three pictures associated in their subjects and placed side by side in compartments.
3. A writing tablet in three sections, made of various laminate materials. Also trip′ty·ca (-ti·kə), trip′ty·chon (-ti·kon). [<Gk. triptychos threefold <tri- three + ptyx, ptychos a fold <ptyssein fold]