The Collaborative International Dictionary of English v.0.48:

Masonry \Ma"son*ry\, n. [F. ma[,c]onnerie.]
   1. The art or occupation of a mason.
      [1913 Webster]

   2. The work or performance of a mason; as, good or bad
      masonry; skillful masonry.
      [1913 Webster]

   3. That which is built by a mason; anything constructed of
      the materials used by masons, such as stone, brick, tiles,
      or the like. Dry masonry is applied to structures made
      without mortar.
      [1913 Webster]

   4. The craft, institution, or mysteries of Freemasons;
      freemasonry.
      [1913 Webster]

WordNet (r) 3.0 (2006):

masonry
    n 1: structure built of stone or brick by a mason
    2: Freemasons collectively [syn: Freemasonry, Masonry]
    3: the craft of a mason

Moby Thesaurus II by Grady Ward, 1.0:

27 Moby Thesaurus words for "masonry":
   adobe, ashlar, brick, bricks and mortar, cement, clinker, concrete,
   covering materials, ferroconcrete, firebrick, flag, flagstone,
   flooring, lath and plaster, mortar, pavement, paving,
   paving material, plasters, prestressed concrete, roofage, roofing,
   siding, stone, tile, tiling, walling