Etymology: Middle English, from Old English sūth; akin to Old High German sund- south and probably to Old English sunne sun
Date: before 12th century
1. to, toward, or in the south <a house facing south> 2. into a state of decline or ruin <causes the sluggish economy to go south — G. F. Will> II. adjective Date: 12th century 1. situated toward or at the south <the south entrance> 2. coming from the south <a south wind> III. noun Date: 13th century 1. a. the direction of the south terrestrial pole ; the direction to the right of one facing east b. the compass point directly opposite to north 2. capitalized regions or countries lying to the south of a specified or implied point of orientation; especially the southeastern part of the United States 3. the right side of a church looking toward the altar from the nave 4. often capitalized a. the one of four positions at 90-degree intervals that lies to the south or at the bottom of a diagram b. a person (as a bridge player) occupying this position in the course of a specified activity; specifically the declarer in bridge 5. often capitalized the developing nations of the world ; third world 3 — compare north 2b
New Collegiate Dictionary. 2001.