| a form of bubonic plague that spread over Europe in the 14th century and killed an estimated quarter of the population. |

| Black Death n. An outbreak of bubonic plague that was pandemic throughout Europe and much of Asia in the 14th century. [From the dark splotches it causes on its victims.] |
A disease that killed nearly half the people of western Europe in the fourteenth century. It was a form of the bubonic plague.
Black Death n.
A form of bubonic plague, caused by Yersinia pestis, that was pandemic throughout Europe and much of Asia in the 14th century.
| Black Death
A widespread epidemic of bubonic plague that occurred in several outbreaks between 1347 and 1400. It originated in Asia and then swept through Europe, where it killed about a third of the population. See more at bubonic plague. |