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• Southern Hemisphere
  Southern Hemisphere

  noun

  the half of the earth between the South Pole and the equator.
• southern hemisphere
  southern hemisphere

  noun

  that half of the earth lying south of the equator

Southern Hemisphere

American  

noun

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

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southern hemisphere British  

noun

1. that half of the earth lying south of the equator

2. astronomy that half of the celestial sphere lying south of the celestial equator

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Southern Hemisphere Scientific  

1. The half of the Earth south of the equator.

2. The half of the celestial sphere south of the celestial equator.

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Southern Hemisphere Cultural  

1. The southern half of the Earth's surface; the Earth's surface south of the equator.

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Etymology

Origin of Southern Hemisphere

First recorded in 1885–90

Example Sentences

See Examples For:

Southern Hemisphere southern hemisphere

Southern Hemisphere powerhouses like Brazil and Argentina don’t plant intensively until September.

From Barron's ● Jun. 18, 2026

The discovery could help scientists better understand how giant sauropods evolved across the Southern Hemisphere during the Late Jurassic period.

From Science Daily ● May 12, 2026

As Salon previously reported, when the flu season cooled down in the Northern Hemisphere last summer, it intensified in the Southern Hemisphere.

From Salon ● Jan. 8, 2026

Based on what happened in the Southern Hemisphere — particularly in Australia — “we are expecting this season to have a disproportionate impact on children under the age of 10,” Hudson said.

From Los Angeles Times ● Dec. 23, 2025

By August 1, 1914, Endurance and her crew were ready to leave for the Southern Hemisphere.

From "Shipwreck at the Bottom of the World" by Jennifer Armstrong

Average worldwide sea temperatures tend to reach their yearly peak in March or April, which corresponds to the end of summer in the southern hemisphere - and not in August.

From BBC ● Aug. 24, 2026

England's Nations Championship campaign continues against Fiji at Hill Dickinson Stadium in Liverpool on 11 July before heading back to the southern hemisphere to take on Argentina on 18 July.

From BBC ● Jul. 4, 2026

Many wearing sweaters and thick coats, a reminder of the southern hemisphere winter from where they were coming, walked off the plane into the scorching Nigerian sun.

From Barron's ● Jun. 11, 2026

Among them are the first dinosaur identified in the southern hemisphere, now known to be a stegosaur, along with sauropods, a coelurosaurian, and young iguanodontids.

From Science Daily ● Apr. 24, 2026

This was usually held to lie in the southern hemisphere, and was sometimes thought to be inhabited.

From "The Invention of Science" by David Wootton