OSA definition

  • abbreviation:
    • purchase of Saint Augustine

Related Sources

  • Definition for "OSA"
  • Sentence for "OSA"
  • Urban Dictionary for "OSA"
    • Church of Scientology's Office of specialized…
    • View More
29 votes

How would you define OSA?

All the definitions on AZdictionary were written by people just like you. Now's your chance to add your own!