One of the four major compass points, specifically 180°, directed toward the South Pole, and conventionally downwards on a map, abbreviated as S. The side of a church on the right hand of a person facing the altar. Toward the south; southward. (meteorology, of wind) from the south. Of or pertaining to the south; southern. Pertaining to the part of a corridor used by southbound traffic. Toward the south; southward. Downward. In an adverse direction or trend (go south). (meteorology) Of wind, from the south. To turn or move toward the south; to veer toward the south. (astronomy) To come to the meridian; to cross the north and south line.