jet stream


: a long narrow meandering current of high-speed winds near the tropopause blowing from a generally westerly direction and often exceeding a speed of 250 miles (402 kilometers) per hour

Examples of jet stream in a Sentence

Recent Examples on the Web Call it May gray light, and attribute it to the wind, which will carry less moisture ashore from the northern jet stream. Gary Robbins, San Diego Union-Tribune, 20 May 2024 During La Niña, the jet stream tends to be farther north, causing drier conditions across the U.S. Southwest. Pedro Dinezio, Discover Magazine, 16 May 2024 See all Example Sentences for jet stream 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'jet stream.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1947, in the meaning defined above

Time Traveler
The first known use of jet stream was in 1947

Dictionary Entries Near jet stream

Cite this Entry

“Jet stream.” Dictionary, Merriam-Webster, Accessed 29 May. 2024.

Kids Definition

jet stream

: a long narrow wandering current of high-speed winds blowing from a generally westerly direction several miles above the earth's surface

More from Merriam-Webster on jet stream

Last Updated: - Updated example sentences
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