hemisphere
nounUK /ˈhem.ɪ.sfɪə/
US /ˈhem.ə.sfɪr/
Half of a round shape, like half of a ball.
The Earth is split into the Northern Hemisphere and the Southern Hemisphere.
OTHER MEANINGS
2. One of the two halves of the brain.
The left hemisphere of the brain helps with language.
3. Half of the Earth, such as the northern or southern half.
Penguins live in the Southern Hemisphere.
4. Either half of a sphere cut through its center.
The bowl was shaped like a hemisphere.