Gridiron.—The framework above the stage from which the scenery drops are suspended. The framework consists of a series of parallel bars resembling a gridiron.
Groove.—A channel or hollow cut in a piece of wood. In a tongued-and-grooved board it is the hollow in which the tongue fits.
Halving. See [Fig. 267]; also description on page [259]. This joint is also known as a Halved-joint.
Hand Rail. See [Balustrade].
Hem.—The edge of a piece of cloth doubled over and sewed, to strengthen it and prevent the threads from ravelling.
Hexagonal.—Six-sided.
Horizontal.—Parallel to the horizon.
Hornstone.—A variety of quartz having the appearance of flint, but more brittle.
Kerf.—The opening, or narrow slot, made in sawing.
Latch-pocket. See [Spring-catch].