ETYM Old Eng. south, suth, AS. sűth for sunth; akin to Dutch zuid, Old High Germ. sund, German süd, süden, Icel. suthr, sunnr, Dan. syd, sönden, Swed. syd, söder, sunnan; all probably akin to Eng. sun, meaning, the side towards the sun. Related to Sun.
The cardinal compass point that is at 180 degrees; SYN. due south, S.