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