Answer: hemispheres

AnswerCrossword Clue
hemispheresA half of the celestial sphere
hemispheresEach of the two parts of the cerebrum (left and right) in the brain of a vertebrate
hemispheresA half of a sphere
hemispheresHEMISPHERE, half of a sphere
hemispheresA half of the earth, usually as divided into northern and southern halves by the equator, or into western and eastern halves by an imaginary line passing through the poles