Definitions

1. verb

to move or cause something to move from a position of being twisted or turned so that it is no longer twisted or turned

“The dancer had to unswivel her body to return to the starting position.”

2. noun

an action or movement of unswiveling

“The unswivel of the door was quite smooth.”

3. verb

to remove or undo a swivel or twist

“The mechanic had to unswivel the engine to fix the problem.”