dome

Noun

Synonyms: attic bean bonce noodle noggin domed stadium covered stadium

WordNet 3.0

Noun (4)

a concave shape whose distinguishing characteristic is that the concavity faces downward
informal terms for a human headSynonyms: attic bean bonce noodle noggin
a stadium that has a roofSynonyms: domed stadium covered stadium
a hemispherical roof

Webster's Dictionary (GCIDE)

Cupola \Cu"po*la\ (k?"p?-l?), n.; pl. Cupolas (-l?z). [It. cupola, LL. cupula, cuppula (cf. L. cupula little tub). fr. cupa, cuppa, cup; cf. L. cupa tub. So called on account of its resemblance to a cup turned over. See Cup, and cf. Cupule.]

1.(Arch.) A roof having a rounded form, hemispherical or nearly so; also, a ceiling having the same form. When on a large scale it is usually called dome. [1913 Webster]

2.A small structure standing on the top of a dome; a lantern. [1913 Webster]

3.A furnace for melting iron or other metals in large quantity, -- used chiefly in foundries and steel works. [1913 Webster]

4.A revolving shot-proof turret for heavy ordnance. [1913 Webster]

5.(Anat.) The top of the spire of the cochlea of the ear. [1913 Webster]

Dome \Dome\, n. [See Doom.] Decision; judgment; opinion; a court decision. [Obs.] --Chaucer. [1913 Webster]

Dome \Dome\, n. [F. d[^o]me, 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. [1913 Webster]

Approach the dome, the social banquet share.— Pope.[1913 Webster]

2.(Arch.) A cupola formed on a large scale. [1913 Webster]

Note: "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. [1913 Webster]

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. [1913 Webster]

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. [1913 Webster]

Note: If the plane is parallel to the longer diagonal (macrodiagonal) of the prism, it is called a macrodome; if parallel to the shorter (brachydiagonal), it is a brachydome; if parallel to the inclined diagonal in a monoclinic crystal, it is called a clinodome; if parallel to the orthodiagonal axis, an orthodome. --Dana. [1913 Webster]