Random House:

southern

Summary:

lying toward, situated in, or directed toward the south. | coming from the south, as a wind. | of or pertaining to the south. | (cap. ) of or ...  (26 of 109 words, 8 senses, pronunciation)

Link:

http://dictionary.infoplease.com/southern  [cite]

Encarta:

southern | Austro-

Summary:

situated in the south of a region or country | lying south of the equator or south of the celestial equator | facing the south | native to the south ...  (27 of 69 words, 5 senses, 1 etymology, pronunciation)

Link:

http://encarta.msn.com/dictionary 1861710913/definition.html  [cite]

Wiktionary:

southern | more southern [comparative] | most southern [superlative]

Summary:

Of, facing, situated in, or related to the south. | Of or pertaining to a southern region, especially Southern Europe or the southern United States. | Of a wind: blowing from the south; southerly.  (32 of 41 words, 3 senses, pronunciation)

Link:

http://en.wiktionary.org/wiki/southern  [cite]