burden. The second of the seventh burdens.
Damascus. The capital of Syria.
is taken away. is swept away. This was by Tiglath-pileser, king of Assyria, and the slaughter of Rezin (632. B.C.) See 2 Kings 16:9, and 2 Kings 7:9; 2 Kings 7:16, above.
city. heap. Note the Figure of speech Paronomasia (App-6) Hebrew. me'ir. mei.