80. Guilloche.—An ornament in the form of two or more bands or strings twisted together or over or through each other.
81. Half Timbered.—Constructed of a timber frame, having the spaces filled in with masonry.
82. Hammer Beam.—A member of one description of roof truss, called hammer-beam truss, which is so framed as not to have a tie beam at the top of the wall. A is the hammer beam, and C the pendant post.
83. Haunches.—The parts A, A, on each side of the crown of an arch. Each haunch is from one-half to two-thirds of the half arch.
84. Header.—A piece of timber, A, fitted between two trimmers, B, B, to hold the ends of the tail beams, C, C.
85. Hip Roof.—The external angle formed by the meeting of two sloping sides or skirts of a roof which have their wall plates running in different directions.
86. Hood Molding.—A projecting molding over the head of an arch, as at A, forming the outer-most member of the archivolt.
87. Inclave.—The border, or borders, having a series of dovetails. One variation of molding or ornamentation.