Dictionary.net

The principal crown lawyer in Scotland, and one of the great officers of state of Scotland. It is his duty to act as public prosecutor; but private individuals injured may prosecute upon obtaining his concurrence. He is assisted by a solicitor general and four junior counsel, termed "advocates-depute." He has the power of appearing as public prosecutor in any court in Scotland, where any person can be tried for an offense, or in any action where the crown is interested. Wharton.