Definition of "jet"

jet¹

/d͡ʒɛt/

noun
plural jets
1. A collimated stream, spurt or flow of liquid or gas from a pressurized container, an engine, etc.
  Quotations
  In the floor of the valley the line passes hills of fantastic shape, like sleeping camels and inverted washbasins, and you can see the beautiful lakes Naivasha and Elementeita; at Eburru jets of steam spurt out of the ground.
  1950 April, Timothy H. Cobb, “The Kenya-Uganda Railway”, in Railway Magazine, page 265
2. A spout or nozzle for creating a jet of fluid.
3. (aviation) A type of airplane using jet engines rather than propellers.
4. An engine that propels a vehicle using a stream of fluid as propulsion.
  1. A turbine.
  2. A rocket engine.
5. A part of a carburetor that controls the amount of fuel mixed with the air.
6. (physics) A narrow cone of hadrons and other particles produced by the hadronization of a quark or gluon.
7. (dated) Drift; scope; range, as of an argument.
8. (printing, dated) The sprue of a type, which is broken from it when the type is cold.
verb
third-person singular simple present jets, present participle jetting, simple past and past participle jetted
1. (intransitive) To spray out of a container.
2. (transitive) To spray with liquid from a container.
3. (intransitive) To travel on a jet aircraft or otherwise by jet propulsion
4. (intransitive) To move (running, walking etc.) rapidly around
5. To shoot forward or out; to project; to jut out.
  Quotations
  The Town has the outer Branch of the River behind it, and the Harbour before it, jetting into which latter are cloſe Keys for the weighing and receiving of Cuſtomage on Merchandize, and for the meeting and conferring of Merchants and Traders.
  1724, Charles Johnson, “Of Captain Bartho[lomew] Roberts, and His Crew”, in A General History of the Pyrates, […], 2nd edition, London: Printed for, and sold by T. Warner, […], page 214
6. To strut; to walk with a lofty or haughty gait; to be insolent; to obtrude.
  Quotations
  Why, lords, and think you not how dangerousIt is to jet upon a prince’s right?
  c. 1588–1593 (date written), William Shakespeare, “The Lamentable Tragedy of Titus Andronicus”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act II, scene i]
  Contemplation makes a rare turkey-cock of him: how he jets under his advanced plumes!
  c. 1601–1602 (date written), William Shakespeare, “Twelfe Night, or What You Will”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act II, scene v]
7. To jerk; to jolt; to be shaken.
  Quotations
  A Lady was wounded down the whole Length of the Forehead to the Nose […] It happened to her travelling in a Hackney-Coach, upon the jetting whereof she was thrown out of the hinder Seat against a Bar of Iron in the forepart of the Coach.
  1719, Richard Wiseman, Serjeant-Chirurgeon to King Charles II, Eight Chirurgical Treatises, London: B. Tooke et al., 5th edition, Volume 2, Book 5, Chapter 4, p. 78
8. To adjust the fuel to air ratio of a carburetor; to install or adjust a carburetor jet
  Quotations
  The cure is to jet the carburetor excessively rich so that the mixture will be correct at the top end, but this richens the curve throughout the RPM range.
  1970, Bill Fisher, How to Hotrod Volkswagen Engines‎, page 30
9. (slang, intransitive) To leave; depart.
  Quotations
  Pimp prolly jetted before the girl hit the ground good, and if Smoove was still standing on the porch when his brother got downstairs, he'd taken off with him.
  2006, Noire [pseudonym], Thug-A-Licious: An Urban Erotic Tale, New York, N.Y.: One World/Ballantine Books, page 106
adjective
not comparable
1. Propelled by turbine engines.

jet²

/d͡ʒɛt/

noun
countable and uncountable, plural jets
1. (mineralogy) A hard, black form of coal, sometimes used in jewellery.
  Quotations
  There is also a factitious jeat made of glaſs, in imitation of the mineral jeat.
  1735, [John Barrow], “JEAT”, in Dictionarium Polygraphicum: Or, The Whole Body of Arts Regularly Digested. [...], volumes II (I–S), London: […] C[harles] Hitch and C[harles] Davis […], and S[amuel] Austen […]
2. (color) The colour of jet coal, deep grey.
adjective
comparative jetter or more jet, superlative jettest or most jet
1. Very dark black in colour.
  Quotations
  All the direct blacks require working in strong baths to give anything like black shades; they all have, more or less, a bluish tone, which can be changed to a jetter shade by the addition of a yellow or green dye in small proportions, which has been done in one of the recipes given above.
  1901, Franklin Beech, The Dyeing of Cotton Fabrics: A Practical Handbook for the Dyer and Student
  She was an ash blonde with greenish eyes, beaded lashes, hair waved smoothly back from ears in which large jet buttons glittered.
  1939, Raymond Chandler, The Big Sleep, Penguin, published 2011, page 23

Definition of "jet"

jet1

noun

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verb

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adjective

jet2

noun

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adjective

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jet¹

jet²