Definition of “jet stream” - English Dictionary

british dictionary

“jet stream” in British English

See all translations

jet streamnoun [ C usually singular ]

uk /ˈdʒet ˌstriːm/ us /ˈdʒet ˌstriːm/

a narrow current of strong winds high above the earth that move from west to east

(Definition of “jet stream” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)