And the key of the house of David will I lay upon his shoulder,.... In allusion either to magistrates carrying a key on their shoulder, hanging down from thence, having a hook at one end of it fit for that purpose; or having one embroidered on that part of their garment: or one carried before them by their servants.
It regards either the keys of the temple; or rather the key of the king's house, which it was proper should be delivered to him as treasurer and steward of it; the Targum takes in both,"and I will give the key of the house of the sanctuary, and the government of the house of David, into his hand.'