gyroscope definition by Webster's New World
Webster\'s New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a wheel mounted in a set of rings so that its axis of rotation is free to turn in any direction: when the wheel is spun rapidly, it will keep the original direction of its rotation axis no matter which way the ring is turned: gyroscopes are used in gyrocompasses and to keep moving ships, airplanes, etc. level
Origin of gyroscopegyro- + -scope
gyroscope definition by American Heritage Dictionary
The 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 device consisting of a spinning mass, typically a disk or wheel, mounted on a base so that its axis can turn freely in one or more directions and thereby maintain its orientation regardless of any movement of the base.
gyroscope definition by Wiktionary
- an apparatus composed of a wheel which spins inside of a frame (gimbal) and causes the balancing of the frame in any direction or position. In the form of a gyroscopic stabilizer, used to help keep aircraft and ships steady.