in the event of (something)
In case of (something); if (something) happens. In the event of a fire, please use the stairs. In the event of severe weather, please take shelter.
in the event of something
if something happens; on the chance that something happens. In the event of his late arrival, please call me. In the event of rain, the parade is canceled.
in the event of
Also, in the event that. See under in case, def. 2.
in the event of something
, in the event that something happens
if something happens: The money will be paid to your family in the event of your death.In the event of an emergency please call the following number...