Isaiah 27:1

In that day the Lord will take His sharp, great, and mighty sword, and bring judgment on Leviathan the fleeing serpent—Leviathan the coiling serpent—and He will slay the dragon of the sea.

Note Hebrew nachash; translated in most cases as snake; twice in this verse

BSB · Berean Standard Bible
In that day the Lord with his sore and great and strong sword shall punish leviathan the piercing serpent, even leviathan that crooked serpent; and he shall slay the dragon that is in the sea.

Note piercing: or, crossing like a bar

KJV · King James Version
In that day, the Lord with his hard and great and strong sword will punish leviathan, the fleeing serpent, and leviathan, the twisted serpent; and he will kill the dragon that is in the sea.
WEB · World English Bible
In that day Jehovah with his hard and great and strong sword will punish leviathan the swift serpent, and leviathan the crooked serpent; and he will slay the monster that is in the sea.
ASV · American Standard Version

Related passages

From the Treasury of Scripture Knowledge, grouped by the word they explain.

Isaiah 27:1
Isaiah 26:21
with his
Isaiah 34:5, 6; Isaiah 66:16; Deuteronomy 32:41, 42; Job 40:19; Psalm 45:3; Jeremiah 47:6; Revelation 2:16; Revelation 19:21
leviathan
Job 12:1–25; Psalm 74:14; Psalm 104:26
piercing
or, crossing like a bar. crooked.
Isaiah 65:25; Job 26:13
the dragon
Isaiah 51:9; Psalm 74:13, 14; Jeremiah 51:34; Ezekiel 29:3; Ezekiel 32:2–5; Revelation 12:3–17; Revelation 13:2, 4, 11; Revelation 16:13; Revelation 20:2
in the sea
Jeremiah 51:13; Revelation 13:1; Revelation 17:1, 15