| hemisphere | |
| 1. n. (astronomy, astrology) Half of the celestial sphere, as divided by either the ecliptic or the celestial equator. | |
| 2. n. (figuratively) A realm or domain of activity. | |
| 3. n. (geography) Half of the Earth, such as the Northern Hemisphere, Southern Hemisphere, Western Hemisphere or Eastern Hemisphere, Land Hemisphere, Water Hemisphere etc.. | |
| 4. n. (geometry) Any half-sphere, formed by a plane intersecting the center of a sphere.. | |
| 5. n. (cartography) A map or projection of a celestial or terrestrial hemisphere. | |
| 6. n. (anatomy) Either of the two halves of the cerebrum.. | |
