jet stream noun3 •Any of the high-speed, high-altitude air currents that circle the Earth in a westerly direction. •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.Cicadas Aren’t Just Noisy – They Also Pee In Jet Streams Like Elephants — 2024 •Synonym of contrail; a flow of exhaust gasses from a jet engine. formsjet streams
