chancel
Concise Oxford English Dictionary © 2008 Oxford University Press:
chancel /ˈtʃɑːns(ə)l/
▶noun the part of a church near the altar, reserved for the clergy and choir, and typically separated from the nave by steps or a screen.
– origin ME: from OFr., from L. cancelli ‘crossbars’.
'chancel' also found in these Oxford entries:

