Emily Dickinson Lexicon

GE'O-RA-MA, n. [Gr. γη, the earth, and ὁραμα, view.]

An instrument or machine which exhibits a very complete view of the earth, invented in Paris. It is a hollow sphere of forty feet diameter, formed by thirty-six bars of iron representing the parallels and meridians, and covered with a bluish cloth, intended to represent seas and lakes. The land, mountains and rivers are painted on paper and pasted on this cover. Journ. of Science.