\Un*lade"\ v. t. [1st un- + lade.] 1. To take the load from; to take out the cargo of; as, to unlade a ship or a wagon. The venturous merchant . . . Shall here unlade him and depart no more. --Dryden. 2. To unload; to remove, or to have removed, as a load or a burden; to discharge. There the ship was to unlade her burden. --Acts. xxi. 3.