Reference: Cush
Hastings
CUSH in OT designates Ethiopia, and is the only name used there for that region. It is the same as the Egyptian Kash or Kesh. Broadly speaking, it answers to the modern Nubia. More specifically, the Egyptian Kash extended southwards from the first Cataract at Syene (Eze 29:10), and in the periods of widest extension of the empire it embraced a portion of the Sudan. It was conquered and annexed by Egypt under the 12th Dynasty (c. b.c. 2000) and remained normally a subject country. After the decline of the 22nd (Libyan) Dynasty, the Cushites became powerful and gradually encroached on northern Egypt, so that at length an Ethiopian dynasty was established (the 25th, 728
See Verses Found in Dictionary
Then Joab said to the Cushite, "Go, tell the king what you have seen." The Cushite bowed himself to Joab, and ran.
When he heard it said of Tirhakah king of Ethiopia, "Behold, he has come out to fight against you, he sent messengers again to Hezekiah, saying,
There came out against them Zerah the Ethiopian with an army of a million troops, and three hundred chariots; and he came to Mareshah.
The LORD stirred up against Jehoram the spirit of the Philistines, and of the Arabians who are beside the Ethiopians:
Can the Ethiopian change his skin, or the leopard his spots? Then may you also do good, who are accustomed to do evil.
Therefore all the officials sent Jehudi the son of Nethaniah, the son of Shelemiah, the son of Cushi, to Baruch, saying, "Take in your hand the scroll in which you have read in the ears of the people, and come." So Baruch the son of Neriah took the scroll in his hand, and came to them.
Now when Ebedmelech the Ethiopian, a eunuch, who was in the king's house, heard that they had put Jeremiah in the dungeon (the king then sitting in the gate of Benjamin),
therefore, behold, I am against you, and against your rivers, and I will make the land of Egypt an utter waste and desolation, from the tower of Seveneh even to the border of Ethiopia.
Are you not like the children of the Ethiopians to me, children of Israel?" says the LORD. "Haven't I brought up Israel out of the land of Egypt, and the Philistines from Caphtor, and the Syrians from Kir?