hemisphere

/หˆhษ›mษชsfษชษ™ษน/
noun
  1. 1

    Half of the celestial sphere, as divided by either the ecliptic or the celestial equator .

  2. 2

    A realm or domain of activity .

  3. 3

    Half of the Earth, such as the Northern Hemisphere, Southern Hemisphere, Western Hemisphere or Eastern Hemisphere, Land Hemisphere, Water Hemisphere etc. .

  4. 4

    Any half-sphere, formed by a plane intersecting the center of a sphere. .

  5. 5

    A map or projection of a celestial or terrestrial hemisphere .

  6. 6

    Either of the two halves of the cerebrum. .

Source: https://en.wiktionary.org/wiki/hemisphere