What is the meaning of jet?

noun

• An airplane powered by one or more jet engines.
  • synonyms: jet plane, jet-propelled plane
• The occurrence of a sudden discharge (as of liquid.
  • synonyms: squirt, spurt, spirt
• A hard black form of lignite that takes a brilliant polish and is used in jewelry or ornamentation.
• Atmospheric discharges (lasting 10 msec) bursting from the tops of giant storm clouds in blue cones that widen as they flash upward.
  • synonyms: blue jet, reverse lightning
• Street names for ketamine.
  • synonyms: K, super acid, special K, honey oil, green, cat valium, super C
• An artificially produced flow of water.
  • synonyms: fountain

verb

• Issue in a jet; come out in a jet; stream or spring forth.
  • usage: "Water jetted forth"; "flames were jetting out of the building"
  • synonyms: gush
• Fly a jet plane.

adjective

• Of the blackest black; similar to the color of jet or coal.
  • synonyms: coal-black, jet-black, pitchy, sooty