Uncoil (verb)

To straighten out or unfurl something that is coiled or wound.

Origin:

From un- + coil.

Examples:

1. She uncoiled the garden hose.
2. He uncoiled the rope before climbing.
3. The snake uncoiled itself before striking.
4. She uncoiled her hair from a bun.
5. He uncoiled the wires to check the connections.