The dome of a furnace.
Dome, topskull . . .. The roof of the brain case.
Furnace roof, especially when dome-shaped; highest point of an arch.
The apex of the arch's extrados. In symmetrical arches, the crown is at the midspan.
glass above the motif, also called the "dome."
A furnace roof, especially one which is arched.
Section of insulator between dome and wire groove OR on cable insulators - top of insulator from upper wire ridge to saddle groove
The apex of the arch ring. In symmetrical arches, the crown is at mid-span.
On road surfaces, where the center is the highest point and the surface slopes downward in opposite directions, assisting in drainage. Also a point at the top of an arch.