Definition of south:
the region of the United States lying to the south of the Mason-Dixon line
the southern states that seceded from the United States in 1861
the cardinal compass point that is at 180 degrees
a location in the southern part of a country, region, or city
the direction corresponding to the southward cardinal compass point
situated in or facing or moving toward or coming from the south; "the south entrance"
in a southern direction; "we moved south"