What does "wand" mean?

Wand: Specifically: (a) A staff of authority. Though he had both spurs and wand, they seemed rather marks of sovereignty than instruments of punishment. Sir P. Sidney. (b) A rod used by conjurers, diviners, magicians, etc. Picus bore a buckler in his hand; His other waved a long divining wand. Dryden. Wand of peace (Scots Law), a wand, or staff, carried by the messenger of a court, which he breaks when deforced (that is, hindered from executing process), as a symbol of the deforcement, and protest for remedy of law. Burrill.