Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. A yellowish-silver carangid food fish (Caranx bartholomaei) of western Atlantic and Caribbean waters.
- n. Nautical A yellow flag hoisted on a ship to request pratique or warn of disease on board.
- n. See yellow fever.
Century Dictionary and Cyclopedia
- n. See yellow Jack, under jack.
Wiktionary
- n. The illness yellow fever
- n. nautical A yellow flag used by ships as a warning of disease
- n. The fish Caranx bartholomaei
GNU Webster's 1913
- n. (Naut.) the yellow fever; also, the quarantine flag. See Yellow flag, under Flag.
- adj. The quarantine flag. See under Quarantine.
WordNet 3.0
- n. fish of western Atlantic and Gulf of Mexico
- n. caused by a flavivirus transmitted by a mosquito
- n. yellow flag hoist on a ship in quarantine
Examples
“Folk, who had undergone the fomites test, came down with yellow jack from the bite of a mosquito that had fed on yellow fever thirty-nine days before.”
Manuscript Draft: Walter Reed: Doctor in Uniform, by Laura Wood, [19 -- ]
“Two days later he was carried off to the yellow fever ward, feebly insisting that he must have picked up his yellow jack in Agramonte's dead room or the Las Animas ward.”
Manuscript Draft: Walter Reed: Doctor in Uniform, by Laura Wood, [19 -- ]
“In this way he hoped to prove that yellow jack was spread by mosquitoes, that fomites were harmless, and that the specific agent of the disease was in the blood.”
Manuscript Draft: Walter Reed: Doctor in Uniform, by Laura Wood, [19 -- ]
“The post medical officer was hopelessly incom - petent, and the Commanding Officer refused to believe that he had yellow jack at his camp.”
Manuscript Draft: Walter Reed: Doctor in Uniform, by Laura Wood, [19 -- ]
Lists
These user-created lists contain the word ‘yellow jack’.
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I Am A Starfish. I Speak With Paint.
List title totally stolen from she. Right, the stock entry for this list should be a two-word phrase where one of the words denotes a colour; even better if the expression has some metaphoric value...
black dog, tangerine dream, orange roughy, blue moon, blackguard, white house, purple rain, grey nurse, green thumb, yellow fever, sacre bleu, palo verde and 159 more...
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You're a Grand Old Flag
guidon, banderole, gonfalon, pennon, ensign, banner, standard, banneret, oriflamme, pennant, jack, saltire and 64 more...
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The Aubrey/Maturin List I'm Gonna Mak...
I'm wading through Patrick O'Brian's Aubrey/Maturin novels one by one, and someday, I'll wade through them again and list all the words I learned while reading them.
Edit: I started ma...studdingsail, carronade, mumchance, grumlin-futtocks, crosscat-harpings, holystone, sennit, orlop, orchitis, negus, kevel, altumal and 1112 more...
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A Second Helping of Random Palavery
A continuation of my first list, "A Serving of Random Palavery". Like the first, this list contains words that catch my attention, ring happily in my ears, are fun to speak, or are interesting to ...
bouffoir, mossberry, webisode, barquette, brochidodromous, festooned brochid..., eucamptodromy, eucamptodromous, loment, keenings, moss-trooper, mosstrooping and 138 more...
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Master and Commander
An Aubrey/Maturin list.
God help me.
I blame chained_bear.prize-agent, master and commander, trabacaloes, xebecs, hipped, truckling, Bakewell tart, Eccles cake, suet pudding, slop-ship, copperplate, tramontana and 57 more...
Tweets
Looking for tweets for yellow jack.

hernesheir (n): 1. Yellow fever, as well as
2.the maritime quarantine flag denoting the presence of Yellow Fever;
3. Caranx bartholomaei, one of two species of a West Indian golden and silvery food fish of the Jack family, Carangidae, inhabiting waters of the Atlantic ocean from Massachusetts to Brazil. This species grows to 1 meter in length and up to 14 kg. Jan 11, 2009
chained_bear Yellow fever. Also called the black vomit. Usage note on facies febris. Mar 17, 2008