Definition of water jet in English:

water jet


  • 1A stream of water discharged into the air, typically issuing from a small aperture under pressure; a fountain.

  • 2A stream of water directed from a nozzle under high pressure and used for propulsion, cleaning, etc.; specifically such a stream (sometimes combined with an abrasive) used at very high pressure as a cutting tool.


Early 18th century; earliest use found in Weekly Miscellany. From water + jet.


water jet

/ˈwɔːtə ˌdʒɛt/