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
And the name of the second river is Gihon: the same is it that compasseth the whole land of Cush.
And the sons of Ham: Cush, and Mizraim, and Put, and Canaan.
And Cush begat Nimrod: he began to be a mighty one in the earth.
Then said Joab to the Cushite, Go, tell the king what thou hast seen. And the Cushite bowed himself unto Joab, and ran.
And when he heard say of Tirhakah king of Ethiopia, Behold, he is come out to fight against thee, he sent messengers again unto Hezekiah, saying,
And there came out against them Zerah the Ethiopian with an army of a thousand thousand, and three hundred chariots; and he came unto Mareshah.
And Jehovah stirred up against Jehoram the spirit of the Philistines, and of the Arabians that are beside the Ethiopians:
Ah, the land of the rustling of wings, which is beyond the rivers of Ethiopia;
Can the Ethiopian change his skin, or the leopard his spots? then may ye also do good, that are accustomed to do evil.
Therefore all the princes sent Jehudi the son of Nethaniah, the son of Shelemiah, the son of Cushi, unto Baruch, saying, Take in thy hand the roll wherein thou hast read in the ears of the people, and come. So Baruch the son of Neriah took the roll in his hand, and came unto them.
Now when Ebed-melech 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 thee, and against thy rivers, and I will make the land of Egypt an utter waste and desolation, from the tower of Seveneh even unto the border of Ethiopia.
Are ye not as the children of the Ethiopians unto me, O children of Israel? saith Jehovah. Have not I brought up Israel out of the land of Egypt, and the Philistines from Caphtor, and the Syrians from Kir?