northern hemisphere

noun

1. the half of the earth between the North Pole and the equator.

noun (often capitals)

1. that half of the globe lying north of the equator
2. astronomy that half of the celestial sphere north of the celestial equator

1. The half of the Earth north of the equator.
2. The half of the celestial sphere north of the celestial equator.

The northern half of the Earth’s surface; the half north of the equator.