ex ‧ o ‧ dus /ˈeksədəs/ BrE AmE noun [singular]
[ Date: 1600-1700 ; Origin: Exodus , which describes how the Israelites left Egypt ]
a situation in which a lot of people leave a particular place at the same time
exodus of
A massive exodus of doctors is forcing the government to recruit from abroad.
exodus from/to
the exodus from the countryside to the towns in the 19th century
I joined the mass exodus for drinks during the interval.