What is "uncoiling"

Usage examples of "uncoiling".

There were many people who believed that there was a great serpent in the center of the earth whose coilings and uncoilings caused the earth to move.

As H-hour approached, Admiral Magruder could only watch the ponderous uncoilings of the many-headed beast he'd released, and pray that each head, each movement followed the plan worked out by Colonel Caruso, Admiral Simpson, and himself.