Meaning of EMERGENCY in English

n. (pl. -ies)

1. a sudden state of danger, conflict, etc., requiring immediate action.

2 a a medical condition requiring immediate treatment. b a patient with such a condition.

3 (attrib.) characterized by or for use in an emergency.

4 Austral. Sport a reserve player.

Phrases and idioms:

state of emergency a condition of danger or disaster affecting a country, esp. with normal constitutional procedures suspended.

Etymology: med.L emergentia (as EMERGE)

Oxford English vocab.      Оксфордский английский словарь.