Dictionary

Any mechanism or operation that unwinds something.

To separate (something that is wound up)

Example: Could you unwind about a foot of ribbon so I can finish the package?

To disentangle

To relax; to chill out; to rest and relieve of stress

Example: After work, I like to unwind by smoking a pipe while reading the paper.

To be or become unwound; to be capable of being unwound or untwisted.