The Collaborative International Dictionary of English v.0.48:

Edifice \Ed"i*fice\, n. [L. aedificium, fr. aedificare: cf. F.
   ['e]difice. See Edify.]
   A building; a structure; an architectural fabric; -- chiefly
   applied to elegant houses, and other large buildings; as, a
   palace, a church, a statehouse.
   [1913 Webster]

WordNet (r) 3.0 (2006):

edifice
    n 1: a structure that has a roof and walls and stands more or
         less permanently in one place; "there was a three-story
         building on the corner"; "it was an imposing edifice" [syn:
         building, edifice]

Moby Thesaurus II by Grady Ward, 1.0:

50 Moby Thesaurus words for "edifice":
   Dymaxion house, White House, adobe house, architecture, building,
   casa, cliff dwelling, construct, construction, consulate,
   country house, country seat, dacha, deanery, dwelling house,
   embassy, erection, establishment, fabric, farm, farmhouse, hall,
   house, houseboat, hut, lake dwelling, living machine, lodge,
   manor house, manse, packaged house, parsonage, penthouse, pile,
   prefab, prefabricated house, prefabrication, presidential palace,
   pyramid, ranch house, rectory, roof, skyscraper, sod house,
   split-level, structure, superstructure, tower, town house,
   vicarage