cupolas

Noun

cupola (plural cupolas or cupolae)

1. A dome-shaped ornamental structure located on top of a larger roof or dome.
   • the light falling dimly through the foggy cupola.1886, Robert Louis Stephenson, The Strange Case of Dr Jekyll and Mr Hyde
2. (railroad) A small turret, usually on a hatch of an armoured fighting vehicle.
3. An upward-projecting mass of plutonic rock extending from a larger batholith.
4. 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. A type of furnace used for smelting.
   • The cupola has a small cylindrical chimney-like bore that is lined with a refractory material.2008, Matthew Stein, When Technology Fails, →ISBN
6. A small cap over a structure that is shaped like a dome or inverted cup.
   • the posterior cupola of the cartilaginous nasal capsule

See all 8 meanings of cupola