dome

dome is a   Noun

Definition:

[1] A building; a house; an edifice; -- used chiefly in poetry. Approach the dome, the social banquet share. Pope.

[2] A cupola formed on a large scale.

[3] 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.

[4] 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.

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