cu‧po‧la /ˈkjuːpələ/
noun [countable][
Date: 1500-1600;
Language: Italian;
Origin: Latin, from cupa; ⇒ cup1]
a round structure on the top of a building, that is shaped like an upside down bowl:
a golden edifice with an onion-shaped cupola [TahlilGaran] Dictionary of Contemporary English ▲