noun A structural element resembling the hollow upper half of a sphere.
geodesic dome
noun Anything shaped like an upset bowl, often used as a cover.
a cake dome
noun A person's head.
noun head, oral sex
noun A building; a house; an edifice.
pleasure dome
noun Any erection resembling the dome or cupola of a building, such as the upper part of a furnace, the vertical steam chamber on the top of a boiler, etc.
steam dome
noun A prism formed by planes parallel to a lateral axis which meet above in a horizontal edge, like the roof of a house; also, one of the planes of such a form.
noun A geological feature consisting of symmetrical anticlines that intersect where each one reaches its apex.