auto-3 + pilot Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
autopilot (ˌɔːtəˈpaɪlət, -təʊ-)
short for automatic pilot

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

1935, from auto- + pilot (q.v.).
Online Etymology Dictionary, © 2010 Douglas Harper
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Encyclopedia Britannica


device for controlling an aircraft or other vehicle without constant human intervention.

Learn more about autopilot with a free trial on

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
So then you basically put the panels on autopilot, and they know where the sun
  is on their own.
All he had to do was direct the autopilot to return to base.
It's equipped with an autopilot device that's programmed to seek out and fly in
No matter how good the autopilot, you still better know how to land the plane.
Related Words
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