Alcove
Another name for a church recess would be apse.
A cove, inlet, or bay.
Another name for play break could be recess.
=A recess in a room; hook.==A recess in a room; hook.=
I escaped the room when the children returned from recess, not wanting to endure the aftermath of their outdoor experience.
Another name for a church recess is apse. They are typically placed at the eastern end of the church and contain the altar.
An absis is a recess or projection at the east end of a church - another name for an apse or apsis.
closet
A Box room?
Lounge room or sitting room are two more.
A lobby.
diplomatic reception room