EMERG'ENCY, n. The act of rising out of a fluid or other covering or surrounding matter.

1. The act of rising or starting into view; the act of issuing from or quitting.

The white color of all refracted light, at its first emergence--is compounded of various colors.

2. That which comes suddenly; a sudden occasion; an unexpected event.

Most of our rarities have been found out by casual emergency.

In case of emergency, [or in an emergency] he would employ the whole wealth of his empire.