A cupola is a relatively small, most often dome-like, tall structure on top of a building. Cupola may also refer to: Science, mathematics, and technology Cupola (cave formation), a recess in the ceiling of a lava tube Cupola (geology), a type of igneous rock intrusion Cupola (geometry), a geometric solid Cupola (ISS module), an observation dome on the International Space Station Cupola (military), a small gun turret mounted on a larger one Cupola gecko, a species of gecko Cupola sign, in medicine, a radiologic sign Cupola furnace, a variety of small blast furnace Reverberatory furnace, for smelting some non-ferrous metals Cupola, an observation area on top of a railway caboose Other uses Sicilian Mafia Commission or Cupola, a body of Sicilian Mafia leaders The Cupola (mountain), Tasmania, Australia The Cupola, the yearbook of Western New England University, Springfield, Massachusetts, US "Cupola", a 2001 song by Zeromancer from Eurotrash See also Cupola House (disambiguation) Copala (disambiguation) Coppola (disambiguation) Copula (disambiguation) Cupula (disambiguation)