an acute, infectious tropical disease caused by a virus transmitted by the bite of a mosquito (Aëdes aegypti) and characterized by fever, jaundice, vomiting, etc.
See yellow fever in American Heritage Dictionary 4
noun
An infectious tropical disease caused by an arbovirus transmitted by mosquitoes of the genera Aedes, especially A. aegypti, and Haemagogus and characterized by high fever, jaundice, and often gastrointestinal hemorrhaging. Also called yellow jack.