Definition of automatic pilot noun from the Oxford Advanced Learner's Dictionary

 

automatic pilot

 noun
noun
BrE
 
; NAmE
 
(also autopilot)[countable, uncountable] Parts of a plane, People in sea travel
 
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  • a device in an aircraft or a ship that keeps it on a fixed course without the need for a person to control it See related entries: Parts of a plane, People in sea travel
  • Idioms to do something without thinking because you have done the same thing many times before I got up and dressed on automatic pilot.
    See the Oxford Advanced American Dictionary entry: automatic pilot