'Hemisphere' definitions:

Definition of 'hemisphere'

From: WordNet
noun
Half of the terrestrial globe
noun
Half of a sphere
noun
Either half of the cerebrum [syn: hemisphere, cerebral hemisphere]

Definition of 'Hemisphere'

From: GCIDE
  • Hemisphere \Hem"i*sphere\, n. [L. hemisphaerium, Gr. ?; ? half = ? sphere: cf. F. h['e]misph[`e]re. See Hemi-, and Sphere.]
  • 1. A half sphere; one half of a sphere or globe, when divided by a plane passing through its center. [1913 Webster]
  • 2. Half of the terrestrial globe, or a projection of the same in a map or picture. [1913 Webster]
  • 3. The people who inhabit a hemisphere. [1913 Webster]
  • He died . . . mourned by a hemisphere. --J. P. Peters. [1913 Webster]
  • Cerebral hemispheres. (Anat.) See Brain.
  • Magdeburg hemispheres (Physics), two hemispherical cups forming, when placed together, a cavity from which the air can be withdrawn by an air pump; -- used to illustrate the pressure of the air. So called because invented by Otto von Guericke at Magdeburg. Hemispheric