[ˈtrɪptɪk], (Noun)

Definitions:
- a picture or relief carving on three panels, typically hinged together vertically and used as an altarpiece
(e.g: a triptych depicting the Crucifixion)


Phrases:

Origin:
mid 18th century (denoting a set of three writing tablets hinged or tied together): from tri- ‘three’, on the pattern of diptych