english
1
general::
Also, in the event that. See under IN CASE, def. 2.
American Heritage Idioms
2
general::
Phrase(s): 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.
McGrawhill's American Idioms And Phrasal Verbs