Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
a gyroscopic instrument that automatically keeps an aircraft, missile, etc. to a predetermined course and attitude
Used by arrangement with John Wiley & Sons, Inc.
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
- A navigation mechanism, as on an aircraft, that automatically maintains a preset course. Also called robot pilot.
- A state of mind in which one acts without deliberate effort or self-awareness: “men who are, sexually speaking, on automatic pilot” (Gloria Steinem).