1) Cause to become ed 2) Cause to become untwisted 3) Open a loaf 4) Straighten 5) Straighten out 6) Tackle a cap 7) Take off as a soda cap 8) To become untwisted 9) To remove a twist from 1) Ravel 2) Undo 3) Unwreathe 
• (v. t.) To untie; to open; to disentangle. • (v. t.) To separate and open, as twisted threads; to turn back, as that which is twisted; to untwine.
[v] - cause to become untwisted
to bring or come out of a twisted condition.