jet stream

noun

: 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

Ingredients align for a severe storm outbreak A fresh surge of jet stream energy tapped into Gulf moisture Friday afternoon, setting the stage for the severe storm outbreak in the central US, which means numerous storms. —Briana Waxman, CNN Money, 17 Apr. 2026

With three jet stream options and three intensity levels, this cordless oral irrigator is an effective tool that helps keep the gums and teeth clean. —Bestreviews, Mercury News, 16 Apr. 2026

The reason for the storms today is due to a boundary and the jet stream parked right on top of us. —Ron Smiley, CBS News, 15 Apr. 2026

Studies show that during neutral years, the jet stream often steers storms out to sea rather than toward the Gulf Coast or Southeast, reducing overall landfall risk. —Brandi D. Addison, USA Today, 8 Apr. 2026

Word History

First Known Use

1947, in the meaning defined above

Rhymes for jet stream

• abeam
• airstream
• bloodstream
• daydream
• downstream
• esteem
• extreme
• grapheme
• hakim
• hornbeam
• lexeme
• mainstream

Kids Definition

jet stream

noun

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