Enter a clue or pattern or both:
The Clue
Side room (4 letter answer)
The Answer
APSE
Tags
Notes
The answer APSE is very common and appears about once every 39 puzzles.
Related Clues
Chevet
___ aisle, in a cathedral
Altar's alcove
Basilica feature
Building recess
Cathedral feature
Cathedral section
Church alcove
Church area
Church feature
Church niche
Church nook
Church part
Church projection
Church recess
Church section
Nave sight
Part of a church
Place for prayer
Polygonal projection
Polygonal recess
Recessed area
Religious recession?
Semicircular recess
Sunday recess?
Temple part
View from a pew
Area next to an ambulatory
Area in St. Paul's
Place for a bishop's throne
Place for some icons
Vaulted area in a basilica
Vaulted area, perhaps
Westminster Abbey area
Projection at the east end of a church
Definition
APSE as a noun:
1. (apse, apsis) = a domed or vaulted recess or projection on a building especially the east end of a church; usually contains the altar