SO

Noun

 * 1) ; SW

Noun

 * 1) ; southeast

Noun

 * 1) ; southwest

Noun

 * 1)  ; OS; operating system

Noun

 * 1) ; southwest

Proper noun

 * 1)  (Mexican state)

Noun

 * 1)  (subject block involving social studies)
 * , one of Sweden's four fundamental laws
 * , one of Sweden's four fundamental laws
 * , one of Sweden's four fundamental laws
 * , one of Sweden's four fundamental laws
 * , one of Sweden's four fundamental laws
 * , one of Sweden's four fundamental laws
 * , one of Sweden's four fundamental laws