Wordnet polsko-angielski 
                         (a domed or vaulted recess or projection on a building especially the east end of a church
usually contains the altar) 
apse, apsis 
synonim: apsyda
Słownik architektury polsko-angielski 
                        (f) apse
Słownik religii polsko-angielski 
                        apse
Słownik techniczny polsko-angielski 
                        f apse