1. a stabilizer consisting of a heavy gyroscope that spins on a vertical axis; reduces side-to-side rolling of a ship or plane; [syn: gyrostabilizer, gyrostabiliser]
WordNet (r) 3.0 (2006):
gyrostabilizer
n 1: a stabilizer consisting of a heavy gyroscope that spins on
a vertical axis; reduces side-to-side rolling of a ship or
plane [syn: gyrostabilizer, gyrostabiliser]