disengage in WordNet English dictionary

1. become free
   "in neutral, the gears disengage"
   disengage 
   
2. release from something that holds fast, connects, or entangles
   "I want to disengage myself from his influence"; "disengage the gears"
   disengage  withdraw 
   
3. free or remove obstruction from
   "free a path across the cluttered floor"
   free  disengage