What does "chancel" mean?

Chancel: (a) That part of a church, reserved for the use of the clergy, where the altar, or communion table, is placed. Hence, in modern use; (b) All that part of a cruciform church which is beyond the line of the transept farthest from the main front. Chancel aisle (Arch.), the aisle which passes on either side of or around the chancel. -- Chancel arch (Arch.), the arch which spans the main opening, leading to the chancel -- Chancel casement, the principal window in a chancel. Tennyson. -- Chancel table, the communion table.