63. Cupola.—So called on account of its resemblance to a cup. A roof having a rounded form. When on a large scale it is called a dome.
Crown Post.—See King Post.
64. Console.—A bracket with a projection not more than half its height.
65. Corbels.—A mass of brackets to support a shelf or structure. Largely employed in Gothic architecture.
66. Dormer.—A window pierced in a roof and so set as to be vertical, while the roof slopes away from it. Also called a Gablet.
67. Dowel.—A pin or stud in one block, or body, designed to engage with holes in another body to hold them together in alignment.
68. Drip.—That part of a cornice or sill course A, or other horizontal member which projects beyond the rest, so as to divert water.
69. Detents.—Recesses to lock or to serve as a stop or holding place.