dome
n. countablen. a rounded roof that looks like half of a ball. You often see this shape on top of famous buildings like churches or government offices.
n. a rounded vault forming the roof of a building or structure, typically with a circular or polygonal base. Often used metaphorically in literary contexts to describe the sky or the human head.
The golden dome of the cathedral shines in the sun.
The architect designed a massive glass dome to allow natural light into the center of the shopping mall.
The stadium's retractable dome allows for year-round events, protecting spectators from the harsh winter elements while maintaining an open-air atmosphere during the summer months.
Borrowed from Middle French dome, domme (modern French dôme), from Italian duomo, from Latin domus (ecclesiae) (literally “house (of the church)”), a calque of Ancient Greek οἶκος τῆς ἐκκλησίας (oîkos tês ekklēsías). Doublet of domus and duomo.
Commonly used in architectural descriptions; in informal slang, it can refer to a person's head.