dome Meaning, Definition & Usage

  1. noun a concave shape whose distinguishing characteristic is that the concavity faces downward
  2. noun informal terms for a human head
    noodle; attic; bean; noggin; bonce.
  3. noun a stadium that has a roof
    covered stadium; domed stadium.
  4. noun a hemispherical roof

WordNet

Dome noun
Etymology
F. dôme, It. duomo, fr. L. domus a house, domus Dei or Domini, house of the Lord, house of God; akin to Gr. house, to build, and E. timber. See Timber.
Definitions
  1. A building; a house; an edifice; -- used chiefly in poetry.
    Approach the dome, the social banquet share. Pope.
  2. (Arch.) A cupola formed on a large scale. ✍ "The Italians apply the term il duomo to the principal church of a city, and the Germans call every cathedral church Dom; and it is supposed that the word in its present English sense has crept into use from the circumstance of such buildings being frequently surmounted by a cupola." Am. Cyc.
  3. Any erection resembling the dome or cupola of a building; as the upper part of a furnace, the vertical steam chamber on the top of a boiler, etc.
  4. (Crystallog.) A 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. ✍ If the plane is parallel to the longer diagonal (macrodiagonal) of the prism, it is called a macrodome; if parallel to the shorter (brachydiagonal), it is a brachydome; if parallel to the inclined diagonal in a monoclinic crystal, it is called a clinodome; if parallel to the orthodiagonal axis, an orthodome. Dana.
Dome noun
Etymology
See Doom.
Definitions
  1. Decision; judgment; opinion; a court decision. Obs. Chaucer.

Webster 1913