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

The mood is relaxed, the reserve of rural England softening under vast stretches of sea and sky, and gardens brim with lush palm trees, ferns, and cacti thriving on jet stream warmth. —Bon Appétit, Bon Appetit Magazine, 15 Apr. 2025

Blame the jet stream As usual, the cause of the split weather pattern is the position of the jet stream, the ribbon of fast-moving air far above our heads that guides weather around and separates warm from cold air, according to Kines. —Doyle Rice, USA Today, 12 Apr. 2025

The temperature of the water and air above it can shift the position of the jet stream, which in turn impacts the types of weather observed on land. —Alix Martichoux, The Hill, 10 Apr. 2025

The fireboat has a fire pump with multiple jet streams. —Rick Hurd, Mercury News, 26 Mar. 2025

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