■ noun
1》 a rounded vault forming the roof of a building or structure.
↘the revolving openable hemispherical roof of an observatory.
2》 the rounded summit of a hill or mountain.
↘ Geology a rounded uplifted landform or underground structure.
3》 informal the top of the head.
4》 literary a stately building.
■ verb [often as noun doming ] form a rounded shape.
Derivatives
~d adjective
~-like adjective
Origin
C16: from Fr. dôme , from Ital. duomo 'cathedral, ~', from L. domus 'house'.