Definition of dome
(Entry 1 of 2)
2 : a large hemispherical roof or ceiling
3 : a natural formation or structure that resembles the dome or cupola of a building
4 : a form of crystal composed of planes parallel to a lateral axis that meet above in a horizontal edge like a roof
5 : an upward fold in rock whose sides dip uniformly in all directions
6 : a roofed sports stadium
7 : a person's head
dome
verbdomed; doming
Definition of dome (Entry 2 of 2)
: to swell upward or outward like a dome
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Time Traveler for dome
The first known use of dome was in 1513
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