Yeshayah 27:1-2

Orthodox Jewish Bible

27 In Yom Hahu Hashem with His cherev hakashah v’hagedolah v’hachazakah (terrible and great and strong sword) shall punish Leviathan the Nachash bari’ach (fleeing serpent), even Leviathan that Nachash akallaton (crooked serpent); and He shall slay the Tanin (serpent, devouring sea monster) that is in the sea.

² In Yom Hahu sing ye about her, A kerem (vineyard) of fruitfulness.