Approach the dome, the social banquet share. --Pope.
2. (Arch.) A cupola formed on a large scale.
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.
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.
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.
2. A small structure standing on the top of a dome; a
lantern.
3. A furnace for melting iron or other metals in large
quantity, -- used chiefly in foundries and steel works.
4. A revolving shot-proof turret for heavy ordnance.
5. (Anat.) The top of the spire of the cochlea of the ear.