n. & v.
n. 1 a a rounded vault as a roof, with a circular, elliptical, or polygonal base; a large cupola. b the revolving openable hemispherical roof of an observatory. 2 a a natural vault or canopy (of the sky, trees, etc.). b the rounded summit of a hill etc. 3 Geol. a dome-shaped structure. 4 sl. the head. 5 poet. a stately building.
v.tr. (usu. as domed adj.) cover with or shape as a dome. domelike adj.
[ F dme f. It. duomo cathedral, dome f. L domus house ]