gyrostabilizer

[jahy-ruh-stey-buh-lahy-zer]
noun
  1. a device for stabilizing a seagoing vessel by counteracting its rolling motion from side to side, consisting essentially of a rotating gyroscope weighing about 1 percent of the displacement of the vessel.

Origin of gyrostabilizer

First recorded in 1920–25; gyro(scope) + stabilizer
Also called gyroscopic stabilizer, stabilizer.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for gyrostabilizer

gyrostabilizer

gyrostabiliser

noun
  1. a gyroscopic device used to stabilize the rolling motion of a ship
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012