from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Architecture A vaulted roof or ceiling.
- n. Architecture A small dome set on a circular or polygonal base or resting on pillars.
- n. Architecture A domelike structure surmounting a roof or dome, often used as a lookout or to admit light and air.
- n. A cylindrical shaft type of blast furnace used for remelting metals, usually iron, before casting.
- n. A small rounded and domed structure, as for observation, on a tracked, armored vehicle.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A dome-shaped ornamental structure located on top of a larger roof or dome.
- n. A small turret, usually on a hatch of an armoured fighting vehicle.
from the GNU version of the Collaborative International Dictionary of English
- n. 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.
- n. A small structure standing on the top of a dome; a lantern.
- n. A furnace for melting iron or other metals in large quantity, -- used chiefly in foundries and steel works.
- n. A revolving shot-proof turret for heavy ordnance.
- n. The top of the spire of the cochlea of the ear.
from The Century Dictionary and Cyclopedia
- n. In architecture, a vault, either hemispherical or produced by the revolution about its axis of two curves intersecting at the apex, or by a semi-ellipse covering a circular or polygonal area, and supported either upon four arches or upon solid walls.
- n. The round top of any structure, as of a furnace; the structure itself. See cupola-furnace. Specifically
- n. Milit., a revolving shot-proof turret, formed of strong timbers, and armored with massive iron plates.
- n. In anatomy: The summit of the cochlea. The summit of an intestinal gland.
- n. In conchology, the so-called dorsal or visceral hump, made by the heap of viscera.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a vertical cylindrical furnace for melting iron for casting
- n. a roof in the form of a dome
Italian, from Late Latin cūpula, diminutive of Latin cūpa, tub.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Italian cupola, from Latin cupula ("little tub"); from Latin cupa, cuppa ("cup"); named for its resemblance to a cup turned over. (Wiktionary)