pol·yp·tych 
(pŏlĭp-tĭk′)
(pŏlĭp-tĭk′)n.
A work consisting of four or more painted or carved panels that are hinged together.
[From Late Latin polyptycha, registers, account books, from Greek poluptukha, from neuter pl. of poluptukhos, having many folds : polu-, poly- + ptukhē, fold; see DIPTYCH.]