I. | ̷ ̷ ̷ ̷| ̷ ̷ verb
Etymology: over (I) + spill
: to spill over
II. ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷ noun
1.
a. : the act or an instance of spilling over
prevent entirely an overspill from a very high surge — J.A.Steers
b. : something that spills or flows over
2. : surplus , excess
to provide continued employment … we shipped that overspill abroad — Harold Wincott
especially : surplus population
when the overspill from the cities would go to the land — John Buchan