(healthcare) A department of a hospital where seriously ill or injured patients, often with life-threatening conditions that require urgent or immediate treatment, are brought in, usually by ambulance.

plural of emergency department

(historical) A man provided for any special service, especially in Irish evictions, and in saving the crops and other property of men who were boycotted.

plural of emergency man

plural of emergency goalie

The dangerous situation in which anthropogenic climate change threatens to cause irreversible environmental damage. / (countable) An official recognition that such a situation exists.

plural of emergency medical service

A group of professional responders with medical skills who attend to emergencies or disasters by coming to the location of the event.

(communication, aviation) an emergency location radio beacon, used on aircraft

plural of emergency locator transmitter