Simple Definition of dome

from our Learner's Dictionary

dome

noun

plural domes
1
: a large rounded roof or ceiling that is shaped like half of a ball
the dome of the Capitol building
the church's high dome
2
: a structure that looks like the dome of a building
a dome of ice
3
: a stadium that is covered by a roof
The team's new stadium is a dome.
4
informal : a person's head
He wears a hat to protect his bald dome from the summer sun.

Cite this Entry

“Dome.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/dome. Accessed 17 Jun. 2026.

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