ship stabilizer

For example, ship stabilizers are fins mounted beneath the waterline and emerging laterally.

The effect is used in a special type of ship stabilizer consisting of a rotating cylinder mounted beneath the waterline and emerging laterally.

She was fully equipped for navigation and had a ship stabilizer as well as gyro compass built by Sperry Gyroscope Company.

When Moriarty briefly gains access to the ship stabilizer control, Data and Geordi return to the holodeck with Captain Picard.

In 1934 a Dutch liner introduced one of the world's most unusual ship stabilizer systems, in which two large tubes were mounted on each side of the ship's hull with the bottom of the tubes open to the sea.