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
So Joab ordered a man from Ethiopia, "Go tell the king what you've seen." So the Ethiopian saluted Joab and then ran to tell David.
When he heard that it was being said about King Tirhakah of Ethiopia, "Look! He has come out to attack you!" he again sent messengers to Hezekiah.
Sometime later, Zerah the Ethiopian went to war against him at Mareshah with an army of one million troops and 300 chariots.
The LORD also provoked the attitude of the Philistines and the Arabs who bordered the Ethiopians against Jehoram,
Can an Ethiopian change his skin, or a leopard his spots? Then you who are trained to do evil will also be able to do good.
Then all the officials sent Nethaniah's son Jehudi, (who was also the grandson of Shelemiah and Cushi's great-grandson), to Baruch, who said, "Take the scroll that you read to the people and come." Neriah's son Baruch took the scroll with him and went to them.
Ebed-melech the Ethiopian, a eunuch in the king's house, heard that Jeremiah had been put in the cistern. The king was sitting in the Benjamin Gate,
therefore watch out! I'm coming to get you! I'm going to attack your waterways, and then I'm going to make the land of Egypt a total wasteland from the Aswan fortress to the border of Ethiopia!
"Aren't you people of Israel like the people of Cush to me?" declares the LORD. "I brought Israel up from the land of Egypt, did I not, as well as the Philistines from Caphtor and the Arameans from Kir?