Western Hemisphere

[wes-tern hem-i-sfeer]

noun

1. the western part of the terrestrial globe, roughly extending from the prime meridian west to the antimeridian: sometimes considered synonymous with the New World because the Americas are its primary composition, the Western Hemisphere technically extends into western Eurasia and Africa, easternmost Siberia, and part of Antarctica as well.

western hemisphere

noun

1. that half of the globe containing the Americas, lying to the west of the Greenwich or another meridian

2. the lands contained in this, esp the Americas

Western Hemisphere

1. The half of the Earth that includes North America, Central America, and South America, as divided roughly by the 0° and 180° meridians.

2. See more at prime meridian

Word History and Origins

Origin of Western Hemisphere¹

First recorded in 1640–50

Example Sentences

In his statement on X.com, Mr. Bessent argued that “the success of Argentina’s reform agenda is of systemic importance, and a strong, stable Argentina which helps anchor a prosperous Western Hemisphere is in the strategic interest of the United States. Their success should be a bipartisan priority.”

Read more on The Wall Street Journal

In a post on X it said the administration “will degrade, dismantle, and eliminate foreign terrorist organizations. We will free the Western Hemisphere from the grip of narco-terrorists.”

Read more on The Wall Street Journal

The U.S. role is notable for an administration that has long shunned nation-building missions abroad and has emphasized defending the Western Hemisphere.

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Shares of MP Materials, the largest External link rare-earth producer in the Western Hemisphere, rose 15% in response.

Read more on Barron's

"A strong, stable Argentina which helps anchor a prosperous Western Hemisphere is in the strategic interest of the United States," he added.

Read more on BBC