bubonic plague

n. epidemic of or a disease transmitted by fleas from infected rodents and characterized by delirium and the formation of buboes in the groin and armpits

The bubonic plague or bubonic fever is the best-known variant of the deadly infectious disease caused by the enterobacteria Yersinia pestis. The epidemiological use of the term plague is currently applied to bacterial infections that cause buboes, although historically the medical use of the term plague has been applied to pandemic infections in general.
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Bubonic plague n. A contagious, often fatal epidemic disease caused by the bacterium Yersinia pestis, transmitted from person to person or by the [more]Bubonic plague - Community and Resources

Noun
1. the most common form of the plague; characterized by delirium and the formation of buboes; does not spred from person to person
(hypernym) plague
(hyponym) Black Death, black plague

The most common form of the plague named for the characteristic buboes which are enlarged lymph nodes ("swollen glands") in the groin that are tender and painful. Lymph nodes may be similarly affected in the armpits (axillae), neck and elsewhere. Other features of the bubonic plague include headache, fever, chills, and weakness. Bubonic plague is caused by a bacterium (Yersinia pestis) which is transmitted to humans from infected rats by the oriental rat flea. Bubonic plague can lead to "black death" characterized by gangrene of the fingers, toes, and nose.