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n.[F. dme, It. duomo, fr. L. domus a house, domus Dei or Domini, house of the Lord, house of God; akin to Gr. house, to build, and E. timber. See Timber.] 1. A building; a house; an edifice; -- used chiefly in poetry. Approach the dome, the social banquet share. Pope. 2. (Arch.) A cupola formed on a large scale. "The Italians apply the term il duomo to the principal church of a city, and the Germans call every cathedral church Dom; and it is supposed that the word in its present English sense has crept into use from the circumstance of such buildings being frequently surmounted by a cupola." Am. Cyc. 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. (Crystallog.) 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. If the plane is parallel to the longer diagonal (macrodiagon Dome n.[See Doom.] Decision; judgment; opinion; a court decision. [Obs.] Chaucer. スポンサード リンク
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