western hemisphere

variants: or Western Hemisphere

Definition of western hemisphere

: the half of the earth comprising North and South America and surrounding waters

Examples of western hemisphere in a Sentence

Recent Examples on the Web That was the lowest pressure ever recorded in the western hemisphere until Hurricane Wilma in 2005. Leigh Morgan, al, "Hurricane Dorian 2019 now a Category 5: What are the strongest Atlantic hurricanes?," 1 Sep. 2019 More than 30 other countries have similar birthright citizenship laws, most in the western hemisphere. Megan Janetsky, USA TODAY, "No country to call home? Some babies born in Colombia to Venezuelan parents lack birthright citizenship," 11 Aug. 2019 The five deep-draft river ports in Louisiana include the largest by tonnage in the western hemisphere, and more than 500 million tons of cargo pass through this stretch each year. Boyce Upholt, Time, "The Mississippi River Is Under Control—For Now," 9 May 2019 The first specimen ever to bloom in the western hemisphere occurred here in 1937. Ingrid Abramovitch, ELLE Decor, "The World's Stinkiest Flower is Ready to Bloom in the Bronx," 21 June 2019 Moving the iconic statue—which is the largest sphinx in the western hemisphere—takes more than a dolly and a few burly movers. Jason Daley, Smithsonian, "The Penn Museum Just Floated a 12-Ton Sphinx Out a Window," 13 June 2019 If China were in charge of the western hemisphere, the first day would be the beginning of the end of our drug culture. Elgin Courier-News, "Speak out: Assault weapons ban worked," 10 Mar. 2018 The North American Aerospace Defense Command, the government agency that provides air protection for the western hemisphere, keeps tabs on Ol' Saint Nick every year. Thomas Novelly, The Courier-Journal, "NORAD Santa Tracker: Here is when the big guy will arrive in Kentucky," 24 Dec. 2017 Greenwich is home to the Prime Meridian, a conceptual line that divides the Earth into eastern and western hemispheres, as well as Cutty Sark, the legendary British last real tea clipper ship. Kim Hjelmgaard, USA TODAY, "Trump will be 'banned' from this part of London if his visit to Britain goes ahead," 15 Dec. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'western hemisphere.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of western hemisphere

1646, in the meaning defined above

Keep scrolling for more

Learn More about western hemisphere

Statistics for western hemisphere

Time Traveler for western hemisphere

The first known use of western hemisphere was in 1646

See more words from the same year

Comments on western hemisphere

What made you want to look up western hemisphere? Please tell us where you read or heard it (including the quote, if possible).


meddlesome, informal, or unofficial

Get Word of the Day daily email!

Test Your Vocabulary

Pass the Little Ribbons: A Pasta Word Quiz

  • rotelle pasta
  • Match the pasta to its meaning in English: Rotelle
Spell It

Can you spell these 10 commonly misspelled words?


Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!