yellow jack
The term "yellow jack" has varied meanings, including a disease, a quarantine signal, and a species of fish.
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Definition
B2Medicine
(colloquial)A colloquial term for a viral disease transmitted by mosquitoes, characterized by fever and jaundice.
Example
- The outbreak of yellow jack in the 19th century caused widespread panic.
B2Nautical
(historical)A yellow flag flown by a ship to signal the presence of a contagious disease on board.
Example
- The ship raised the yellow jack to indicate it was under quarantine.
C1Marine Biology
(technical)A species of marine fish found in the Atlantic Ocean, known for its yellowish color.
Example
- The yellow jack is commonly found in warm waters from Massachusetts to Brazil.
Similar
Terms that have similar or relatively close meanings to "yellow jack":
yellow feverblack feverthree-cornered jackmonkey jackmonkey feveryellow jacketlazy jacks