Unwind /(?)/

Un·wind

Unwind

v. t.
  1. To wind off; to loose or separate, as what or convolved; to untwist; to untwine; as, to unwind thread; to unwind a ball of yarn.
  2. To disentangle. [Obs.]

Unwind

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