Meaning of EMERGENCY in English

[emer.gen.cy] n, pl -cies often attrib (ca. 1631) 1: an unforeseen combination of circumstances or the resulting state that calls for immediate action

2: an urgent need for assistance or relief "the governor declared a state of ~ after the flood" syn see juncture

Merriam-Webster English vocab.      Английский словарь Merriam Webster.