Architrave.—(1) The stone which in Classic and Renaissance architecture is thrown from one column or pilaster to the next. (2) The moulding which in the same styles is used to ornament the margin of a door or window opening or arch.
Ashlar.—Finely-wrought masonry, employed for the facing of a wall of coarser masonry or brick.
Attic (In Renaissance Architecture).—A low upper story, distinctly marked in the architecture of the building, usually surmounting an order; (2) in ordinary building, any story in a roof.
Bailey (from vallum).—The enclosure of the courtyard of a castle.
Ball-flower.—An ornament representing a globular bud, placed usually in a hollow moulding.
Baluster.—A species of small column, generally of curved outline.
Balustrade.—A parapet or rail formed of balusters.
