Definition of southerners:
(n) :
(US) A resident of the American South, often specifically a white resident of the American South.
(n) :
(US, historical) Synonym of Confederate: a citizen of the Confederate States of America.
(n) :
A native or inhabitant of the south of a region (or of the world as a whole), such as the United Kingdom.
(n) :
Alternative letter-case form of southerner (native or inhabitant of the south of any region). [A native or inhabitant of the south of a region (or of the world as a whole), such as the United Kingdom.]
(n) :
Alternative letter-case form of Southerner (someone from one of the southeastern United States). [(US) A resident of the American South, often specifically a white resident of the American South.]