# jet stream

> English word · Noun

## Definitions
1. Any of the high-speed, high-altitude air currents that circle the Earth in a westerly direction.
2. Synonym of contrail; a flow of exhaust gasses from a jet engine.
3. The high-speed, continuous spray of waste fluid (urine) emitted from the back ends of adult cicadas; rather than the small, individual droplets produced by most other insects.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/jet-stream