Adjectives

(a)southernin or characteristic of a region of the United States south of (approximately) the Mason-Dixon line“southern hospitality”, “southern cooking”, “southern plantations”
(a)southernsituated in or coming from regions of the south“the Southern Hemisphere”, “southern constellations”
(s)southerly, southernsituated in or oriented toward the south“a southern exposure”, “took a southerly course”
(s)southerly, southernfrom the south; used especially of wind“a hot southerly wind”, “southern breezes”, “the winds are southerly”