Decanal

Dec"a*nal (?; 277), a. [Cf. F. décanal. See Dean.] Pertaining to a dean or deanery.

His rectorial as well as decanal residence.
Churton.

Decanal side, the side of the choir on which the dean's tall is placed. -- Decanal stall, the stall allotted to the dean in the choir, on the right or south side of the chancel. Shipley.