cupola

Meanings

1. 1
   noun A dome-shaped ornamental structure located on top of a larger roof or dome.
2. 2
   noun A small turret, usually on a hatch of an armoured fighting vehicle.
3. 3
   noun An upward-projecting mass of plutonic rock extending from a larger batholith.
4. 4
   noun A solid formed by joining two polygons, one (the base) with twice as many edges as the other, by an alternating band of isosceles triangles and rectangles.
5. 5
   noun A type of furnace used for smelting.
6. 6
   noun A small cap over a structure that is shaped like a dome or inverted cup.
7. 7
   noun A small viewing window in the top of the caboose for looking over the train, or the part of the caboose where one looks through this window.