The Collaborative International Dictionary of English v.0.48:

Parsonage \Par"son*age\, n.
   1. (Eng. Eccl. Law) A certain portion of lands, tithes, and
      offerings, for the maintenance of the parson of a parish.
      [1913 Webster]

   2. The glebe and house, or the house only, owned by a parish
      or ecclesiastical society, and appropriated to the
      maintenance or use of the incumbent or settled pastor.
      [1913 Webster]

   3. Money paid for the support of a parson. [Scot.]
      [1913 Webster]

            What have I been paying stipend and teind, parsonage
            and vicarage, for?                    --Sir W.
                                                  Scott.
      [1913 Webster]

WordNet (r) 3.0 (2006):

parsonage
    n 1: an official residence provided by a church for its parson
         or vicar or rector [syn: parsonage, vicarage,
         rectory]

Moby Thesaurus II by Grady Ward, 1.0:

44 Moby Thesaurus words for "parsonage":
   Dymaxion house, White House, adobe house, building, casa,
   church house, clergy house, cliff dwelling, consulate,
   country house, country seat, dacha, deanery, dwelling house,
   edifice, embassy, erection, fabric, farm, farmhouse, glebe, hall,
   house, houseboat, lake dwelling, living machine, lodge,
   manor house, manse, pastorage, pastorate, penthouse,
   prefabricated house, presbytery, presidential palace, ranch house,
   rectory, roof, skyscraper, sod house, split-level, structure,
   town house, vicarage