(1):

(n.) The craft, institution, or mysteries of Freemasons; freemasonry.

(2):

(n.) 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.

(3):

(n.) The work or performance of a mason; as, good or bad masonry; skillful masonry.

(4):

(n.) The art or occupation of a mason.