Gutta (lit. “drop”): one of the small truncated cones, attached to the underside of a Regula (which see) and the Mutules (which see) of a Doric Entablature.
[H]alf-Timbered: when the construction has a timbered frame, the interstices of which are filled in with masonry or concrete.
Hammer-beam roof: late form of timber roof construction, without continuous Tie Beams (which see).
Harmony: a principle of Beauty, that governs the variety in unity of a work of art, relating all the parts in an accord of feeling.
Header: in masonry, a brick or stone, laid across the thickness of the wall. See Bond, Stretcher.
Heart-leaf and Dart: an ornament composed of a heart-or leaf-shaped form and a dart or tongue. Used specifically on Cyma Reversa mouldings.
Hexastyle: See Portico.
Hip-roof: a roof that rises from all the wall-plates and, accordingly, has no gable.
Honeysuckle: ornament. See Anthemion.
Hypæthral: completely or partially open to the sky.