Definitions of South:

• noun:   any region lying in or toward the south
• noun:   the region of the United States lying south of the Mason-Dixon Line
• noun:   the cardinal compass point that is at 180 degrees
• noun:   the southern states that seceded from the United States in 1861
• adjective:   situated in or facing or moving toward or coming from the south

  Example: "The south entrance"

• adverb:   in a southern direction

  Example: "We moved south"

• name:  A surname (common: 1 in 20000 families; popularity rank in the U.S.: #2723)