Crossword Puzzle Semicircular sanctuary section

Clue: Semicircular sanctuary section

Sanctuary sections (e.g. ALTARS with 6 letters)
Sanctuary section (APSE with 4 letters)
Semicircular church section (APSE with 4 letters)
Section of the Constitution that defines the principle of federalism (ARTICLEX with 8 letters)
Library section (e.g. ATLASES with 7 letters)
Section of Warsaw (PRAGA with 5 letters)
Section in many a grocery (DELI with 4 letters)
Arena section (TIER with 4 letters)
Type of band section (HORN with 4 letters)
Square sections (AREAS with 5 letters)