Contagious, often fatal epidemic disease caused by the bacterium
Yersinia (syn. Pasteurella) pestis, transmitted from person to person or
by the bite of fleas from an infected rodent, especially a rat; produces
chills, fever, vomiting, diarrhea, and the formation of buboes.
South African shrubs of the genus Agathosma, especially A. betulina and
A. crenulata; the leaves are used as a mild diuretic and provide an
aromatic oil used for flavoring.