We found 32 dictionaries that define the word jet stream:

General (19 matching dictionaries)

1. jet stream: Merriam-Webster
2. jet stream: Oxford Learner's Dictionaries
3. jet stream: American Heritage Dictionary of the English Language
4. jet stream: Collins English Dictionary
5. jet stream: Vocabulary.com
6. jet-stream: Wordnik
7. jet stream: Cambridge Advanced Learner's Dictionary
8. jet stream: Wiktionary
9. jet stream: The Wordsmyth English Dictionary-Thesaurus
10. jet stream: Infoplease Dictionary
11. jet stream: Dictionary.com
12. Jet Stream (Six Flags Magic Mountain), Jet Stream, Jet stream: Wikipedia, the Free Encyclopedia
13. jet stream: Rhymezone
14. jet stream: FreeDictionary.org
15. jet stream: Mnemonic Dictionary
16. jet stream: TheFreeDictionary.com
17. jet stream: Longman Dictionary of Contemporary English

Business (1 matching dictionary)

18. Travel Industry Dictionary (No longer online)

Computing (1 matching dictionary)

19. Jet-stream, jet stream: Encyclopedia

Science (5 matching dictionaries)

20. From Stargazers to Starships Glossary (No longer online)
21. Jet Stream: Eric Weisstein's World of Astronomy
22. jet stream: Evolution Glossary
23. Weather Glossary (No longer online)
24. JET STREAM: Zoom Astronomy Glossary

Slang (1 matching dictionary)

25. Jet Stream: Urban Dictionary

Tech (5 matching dictionaries)

26. DOD Dictionary of Military Terms (No longer online)
27. Glossary of Meteorology (No longer online)
28. Lake and Water Word Glossary (No longer online)
29. National Weather Service Glossary (No longer online)
30. Glossary of Water Resource Terms (No longer online)

(Note: See jet_streams as well.)

Definitions from Wiktionary (jet stream) ▸ noun:  (meteorology) any of the high-speed, high-altitude air currents that circle the Earth in a westerly direction Similar: helmet streamer, cloud street, stormtrack, thermal, pseudostreamer, trade, anticyclone, streamline, derecho, isentrope, more... Opposite: subtropical, anticyclone, trade winds Types: polar jet stream, more... Phrases: polar jet stream, more... Adjectives: occluded, weather-bound, bomb, weather, flooded, torrent, tornadic, waterborne, hail, floody, stormy ▸ Words similar to jet stream ▸ Usage examples for jet stream ▸ Idioms related to jet stream ▸ Wikipedia articles (New!) ▸ Words that often appear near jet stream ▸ Rhymes of jet stream ▸ Invented words related to jet stream