The Sea: Great Rivers often Called
Source: TTT
Isaiah 11:15
The LORD will devote to destruction the gulf of the Sea of Egypt; with a scorching wind He will sweep His hand over the Euphrates. He will split it into seven streams for men to cross with dry sandals.
Jeremiah 51:36
Therefore this is what the LORD says: “Behold, I will plead your case and take vengeance on your behalf; I will dry up her sea and make her springs run dry.