gyrostabilizer

(jī′rō stā′bə līz′ər)

noun

a device consisting of a gyroscope spinning in a vertical plane, used to stabilize the side-to-side rolling of a ship, spacecraft, etc.

See gyrostabilizer in American Heritage Dictionary 4

noun

An instrument having a heavy gyroscope whose axis spins in a vertical plane to reduce the side-to-side rolling of a ship or aircraft.

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