southn.[OE. south, su, AS. s for sun; akin to D. zuid, OHG. sund, G. sd, sden, Icel. sur, sunnr, Dan. syd, snden, Sw. syd, sder, sunnan; all probably akin to E. sun, meaning, the side towards the sun. 297. See Sun.]1. That one of the four cardinal points directly opposite to the north; the region or direction to the right or direction to the right of a person who faces the east.()2. A country, region, or place situated farther to the south than another; the southern section of a country.(Matt. xii. 42.)3. Specifically: That part of the United States which is south of Mason and Dixon's line. See under Line.()4. The wind from the south.(Shak.)a. Lying toward the south; situated at the south, or in a southern direction from the point of observation or reckoning; proceeding toward the south, or coming from the south; blowing from the south; southern; as, the south pole.(Shak.)South-Sea tea (Bot.) See Yaupon.()adv.1. Toward the south; southward.()2. From the south; as, the wind blows south.(Bacon.)v. i.1. To turn or move toward the south; to veer toward the south.()2. (Astron.) To come to the meridian; to cross the north and south line; -- said chiefly of the moon; as, the moon souths at nine.()