iconostasis

< /ˌaɪ kəˈnɒs təˌsiz/. Eastern Church.

1. a partition or screen on which icons are placed, separating the sanctuary from the main part of the church.

noun plural iconostases (ˌaɪkəʊˈnɒstəˌsiːz, aɪˈkɒnəˌstæsɪz)

1. Eastern Churches a screen with doors and icons set in tiers, which separates the bema (sanctuary) from the nave