| a serious, sometimes fatal, infection with the bacterial toxin Yersinia pestis, transmitted by fleas from infected rodents and characterized by high fever, weakness, and the formation of buboes, esp. in the groin and armpits. |
A highly contagious disease, usually fatal, affecting the lymphatic system. The bubonic plague is caused by bacteria transmitted to humans by rat-borne fleas.
Note: From 1347 to 1351, a disease known as the Black Death, similar to the bubonic plague, entered Europe from Asia and killed a large percentage of the population, sometimes wiping out entire towns. It caused widespread social changes in Europe.
bubonic plague n.
A contagious, often fatal epidemic disease caused by the bacterium Yersinia pestis, transmitted from person to person or by the bite of fleas from an infected host, especially a rat, and characterized by chills, fever, vomiting, diarrhea, and the formation of buboes.