Definitions

1. noun

A device or tool used for unwinding something, such as a spool or a coil.

“The factory used an unwinder to remove the tangled wire from the spool.”

2. verb

To remove or release something that is wound or twisted, such as a rope or a thread.

“She unwinder the cord from the electrical device to repair it.”

3. verb

To cause something to unwind or come apart, such as a thread or a rope.

“The unwinder action of the machine caused the yarn to unravel quickly.”