(medicine) A pathological condition caused by oxygen deficiency at high altitudes; symptoms include shortness of breath, nausea, and nosebleed.

(medicine) Early morning nausea and vomiting as a symptom of pregnancy.

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.

(obsolete) footrot

Alternative spelling of falling sickness

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

(obsolete) Alternative form of green sickness

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

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.