Emily Dickinson Lexicon

DOME, n. [Fr. dôme; Arm. dom; L. domus; Gr. δομος; Ir. dom; Russ. dom; supposed to be from δεμω, to build. The Greek has also δωμα, a house, a plain roof. Qu. Sax. timbrian, Goth. timbryan, to build.]

1. A building; a house; a fabric; used in poetry. – Pope.
2. A cathedral. – Burnet.
3. In architecture, a spherical roof raised over the middle of a building; a cupola. Encyc.
4. In chimistry, the upper part of a furnace, resembling a hollow hemisphere or small dome. This form serves to reflect or reverberate a part of the flame; hence these furnaces are called reverberating furnaces. – Encyc.