An allergylike reaction to proteins in antiserum derived from animal sources.

An unidentified, highly virulent disease with aches and sweating, the cause of a series of epidemics in England and Europe between 1485 and 1551.

A condition, with trembling and vomiting, caused by ingestion of milk, meat, etc. from a cow that has fed on white snakeroot, which contains the poison tremetol.

(grammar) The use of a dative object where an accusative would traditionally be used.

The stressed condition of somebody who is constantly in a rush and does not take time to relax.

Alternative spelling of falling sickness

(obsolete) Alternative form of green sickness

(obsolete) footrot

A syndrome, reported to occur among Native Americans, in which the sufferer is preoccupied by the deceased. Symptoms include weakness, loss of appetite, recurring nightmares, and a pervasive feeling of terror.

A disease of equids, caused by Trypanosoma equiperdum and spread through sexual intercourse.