Meaning of YELLOW JACK

Pronunciation:			'yelowjak
WordNet Dictionary
	Definition:		[n]  fish of western Atlantic and Gulf of Mexico [n]  yellow flag hoist on a ship in quarantine [n]  caused by a virus transmitted by a mosquito
	Synonyms:		black vomit, Caranx bartholomaei, yellow fever
	See Also:		flag, infectious disease, jack