gyrostabilizerPronunciation: /ˈdʒʌɪrəʊˌsteɪbɪlʌɪzə/ (also gyrostabiliser)Definition of gyrostabilizer noun a gyroscopic device for maintaining the equilibrium of something such as a ship, aircraft, or platform. Derivatives gyrostabilized adjective gyrostabilizer in other Oxford dictionaries Definition of gyrostabilizer in the US English dictionary