noun a cupola formed on a large scale.
2. dome ·noun decision; judgment; opinion; a court decision.
3. dome ·noun a building; a house; an edifice;
used chiefly in poetry.
4. dome ·noun any erection resembling the dome or cupola of a building; as the upper part of a furnace, the vertical steam chamber on the top of a boiler, ·etc.
5. 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.