Definitions
1.nounA structural element resembling the hollow upper half of a sphere; a cupola
2.nounAnything shaped like an upset bowl, often used as a cover"a cake dome"
3.nounHead (uppermost part of one's body)
4.nounHead, oral sex
5.nounA building; a house; an edifice
6.nounAny erection resembling the dome or cupola of a building, such as the upper part of a furnace, the vertical steam chamber on the top of a boiler, etc.
7.nounA prism formed by planes parallel to a lateral axis which meet above in a horizontal edge, like the roof of a house; also, one of the planes of such a form