hemisphere
Refers to half of a sphere, commonly used for the Earth's hemispheres (northern/southern, eastern/western) or the brain's hemispheres.
Japan is located in the Northern Hemisphere.
The right hemisphere is said to be related to creativity.
southern hemisphere
northern hemisphere
hemisphere; dome shape
eastern hemisphere; the Orient
western hemisphere; the Occident
Compound of 半 (half) and 球 (sphere).