Definition of sagan:
(n) :
A surname.
(n) :
(slang, humorous) A unit of measurement equal to at least four billion.
(n) :
A village in Sardasht Rural District, in the Central District of Bashagard County, Hormozgan Province, Iran.
(n) :
A river in southern Ethiopia.
(n) :
A town in southern Ethiopia, named for the river.
(n) :
Alternative form of Sakan (village in West Azerbaijan, Iran).