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automatic pilot

automatic pilot

 
pronunciation:
aw t mae tihk paI liht
part of speech: noun
definition 1: an instrument that automatically keeps an aircraft, missile, or the like on a predetermined course at a specific altitude.
After reaching cruising altitude, the pilot turned on the automatic pilot.
definition 2: (informal) a condition of functioning as if set on automatic pilot.
He's usually on automatic pilot at the end of a semester.